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SWP562 Capital Accumulation in Eastern and Southern Africa A Decade of Setbacks Ravi Gulhati Gautam Datta WORLD BANK STAFF WORKING PAPERS Number 562 Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized

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Page 1: Public Disclosure Authorized SWP562documents.worldbank.org/curated/pt/858481468741363023/pdf/multi0page.pdfincremental capital-output ratio (ICOR) which relates investment to changes

SWP562

Capital Accumulation in Eastern and Southern AfricaA Decade of Setbacks

Ravi GulhatiGautam Datta

WORLD BANK STAFF WORKING PAPERSNumber 562

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/-/-WORLD BANK STAFF WORKING PAPERS MV/5-

Number 562 57

4u J 7

Capital Accumulation in Eastern and Southern AfricaA Decade of Setbacks

Ravi GulhatiaGautam Datta

The World BankWashington, D.C., U.S.A.

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Copyright © 1983The International Bank for Reconstructionand Development / THE WORLD BANK1818 H Street, N.W.Washington, D.C. 20433, U.S.A.

First printing April 1983All rights reservedManufactured in the United States of America

This is a working document published informally by the World Bank. Topresent the results of research with the least possible delay, the typescript hasnot been prepared in accordance with the procedures appropriate to formalprinted texts, and the World Bank accepts no responsibility for errors. Thepublication is supplied at a token charge to defray part of the cost ofmanufacture and distribution.

The views and interpretations in this document are those of the author(s) andshould not be attributed to the World Bank, to its affiliated organizations, or toany individual acting on their behalf. Any maps used have been preparedsolely for the convenience of the readers; the denominations used and theboundaries shown do not imply, on the part of the World Bank and its affiliates,any judgment on the legal status of any territory or any endorsement oracceptance of such boundaries.

The full range of World Bank publications is described in the Catalog of WorldBank Publications; the continuing research program of the Bank is outlined inWorld Bank Research Program: Abstracts of Current Studies. Both booklets areupdated annually; the most recent edition of each is available without chargefrom the Publications Distribution Unit of the Bank in Washington or from theEuropean Office of the Bank, 66, avenue d'Iena, 75116 Paris, France.

Ravi Gulhait is the chief economist of the Eastern Africa Regional Office ofthe World Bank; Gautam Datta is a consultant to the World Bank.

Library of Congress Cataloging in Publication Data

Gulhati, Ravi.Capital accumulation in eastern and southern Africa.

(World Bank staff working papers ; no. 562)Bibliography: p.''1. Saving and' investment--Africa, Eastern. 2. Saving

and investment--Africa, Southern. 3. Capital producti-vity--Africa, East'ern. 4. Capital productivity--Africa,Southern'. I. Datta, Gutam, 1947- . II. Title.III. Series.RC860.Z9S34 1983 332'.0415'09676 83-5899ISBN 0-8213-0169-1

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ABSTRACT

The paper attempts to analyze the magnitude of the setback incapital accumulation in Eastern and Southern Africa and the proximate causesof this phenomenon. The sample consists of 16 countries and available datafor the late 1960s and 1970s are explored. Given the weakness of thestatistics, the authors rely more on expert observations than on rigorousquantitative assessments; although available data are analysed. Capitalformation increased fairly rapidly during 19 67-1974 but then slowed downconsiderably. Investment was financed to a considerable extent by externalconcessional assistance; rapid growth in such funds during the late 1970shelped offset declining national savings rates to some extent. The setback ininvestment rates was greatly accentuated by a large and widespreaddeterioration in the productivity of capital brought about by the impact ofgovernment policy, strained absorptive capacity and a variety of exogenousfactors.

-ACKNOWLEDGMENTS

We are grateful to Ram Agarwala, Rolf Gusten, Robert Armstrong and PeterHansen for valuable comments on an earlier draft of this paper.

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CONTENTS

Section Page No.

I. Introduction . .................................... 1

II. First, A Look At the Record ....................... 4

III. Behavior of Investment ............................ 10

IV. Productivity of Capital ........................... 23

Capacity Utilization 24

Sector-Mix and Sectoral ICORs 28

Absorptive Capacity 30

Impact of Government Policy 31

V. Conclusion ......................................... 34

Figures

Figure 1. The Investment Ratio and GDP Per Capita ....... 13

Figure 2. The Median Ratios of Savings and Investmentto GDP, Eastern Africa ..... 16

Figure 3. The Savings Ratio and GDP Per Capita .......... 18

Figure 4. The Savings Ratio and Terms of Trade, Zambiaand Zaire ..................................... 20

Figure 5. The Savings Ratio and Terms of Trade, Ethiopiaand Uganda .................................... 21

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Page No.

Annex I - Statistical Tables

Table 1 The Growth of GDP in Constant Prices, EasternAfrica and Comparator Countries, 1960-70 and1970-79 ................................................ 38

Table 2 The Growth of GDP in Constant Prices, 1967-78and Sub-Periods 1967-73 and 1973-78 ..................... 39

Table 3 The Growth of Gross Domestic Investment in ConstantPrices, Eastern Africa and Comparator Countries,1960-70 and 1970-79 ................................... 40

Table 4 The Growth of Gross Domestic Investment in ConstantPrices, 1967-78 and Sub-Periods 1967-73 and 1973-78 .... 41

Table 5 The Incremental Capital Output Ratio In The Periods1961-68, 1967-73 and 1973-79 .......................... 42

Table 6 Incremental Gross Capital Output Ratios in FiveDeveloped Countries, 1967 to 1974 ...................... 43

Table 7 Historical Incremental Capital Output Ratios InDeveloped Countries ................................... 44

Table 8 The Ratio of Gross Domestic Investment to GDP,1967-78. Three-Year Moving Averages ................... 45

Table 9 Index of Real Gross Fixed Capital Formation By theCentral Government .................................... 46

Table 10 The Ratio of Gross National Savings to GDP.Three-Year Moving Averages, 1967-78 .... ............... 47

Table 11 Terms of Trade Estimates, 1967 to 1978. Three-YearMoving Averages ........................................ 48

Table 12 Gross National Savings as a Percentage of Gross NationalInvestment. Three-Year Moving Averages, 1967-78 .... ... 49

Table 13 Net Official Development Assistance as a Percentageof External Resources Inflow ........................... 50

Table 14 Direct Investment as a Proportion of Long-Term CapitalInflows ................................................ 51

Table 15 New Private Direct Investment From DAC Sources .... ..... 52

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Page No.Annex I - Statistical Tables (Cont'd)

Table 16 The Stock of Foreign Direct Investment inEastern Africa, End 1978 ............................... 53

Table 17 Gross Eurocurrency Credit to Eastern Africa .... ........ 54

Table 18 Capacity Utilization in Selected Sectors inTanzania, 1978-79 ...................................... 55

Table 19 Capacity Utilization in a Sample of Parastatal Firmsin Tanzania, 1979 ...................................... 56

Table 20 Capacity Utilization in a Single of PublicEnterprises, 1976-78, Somalia .......................... 57

Table 21 Capacity Utilization in Certain Manufacturing Firmsin Sudan, 1973 ......................................... 58

Table 22 Capacity Utilization in the Public Industrial Sectorin Sudan, 1975-76 ...................................... 59

Table 23 Frequency Distribution of Capacity Utilization inPlants/Processes of the INDECO Group, Zambia, 1981-82 .. 60

Table 24 Quantum Index of Imports, 1967 to 1978 .... ............. 61

Table 25 Petroleum Imports Into Eastern Africa. Three-YearMoving Averages ........................................ 62

Table 26 Public Current Expenditure Per Pupil in ConstantPrices At The First Level (Ages 7 to 13) .... ........... 63

Table 27 Share of Public Investment (Including ParastatalInvestment) in Total (Three-Year Moving Averages) ....... 64

Table 28 Index of Real Recurrent Expenditure on Economic ServicesIn Four Eastern African Countries ...................... 65

Annex II Interrelations between the ICOR, Growth Rate, Invest-ment Ratio and the Investment Rate ..................... 66

Annex III Limitations of National Account Data in Eastern Africa 71

References ........... ............................................ 71

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I. Introduction

1. The 1970s was a disappointing decade for the economic development of

Sub-Saharan Africa and particularly of the oil-importing countries of Eastern

and Southern Africa. The aim of this paper is to study this experience in 16

countries with a special focus on capital accumulation. We try to answer the

following questions:

- What were the common characteristics of this experience and what

were the elements of diversity?

- Was the setback in development mainly the result of a slowing down

in the rate of investment or was it caused in large part by a fall

in the productivity of capital?

- To the extent that capital accumulation slowed down, was it the

result of a lag in domestic savings or a turnaround in external

capital inflow?

- What factors explain the declining productivity of capital, in cases

where this phenomenon was a prominent part of the setback in

economic development?

2. By focusing on capital accumulation, we do not intend to take part

in the debate on the role of capital in economic development. Much has been

written on this topic by those (e.g. Arthur Lewis, Rostow, Harrod, Domar) who

assign capital a strategic part, and by others (e.g. Cairncross, Frankel) who

emphasise the contribution of technology, organization, entrepreneurship,

etc. (Meier, 1964). The long run development of Eastern and Southern African

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countries requires large doses of capital combined in appropriate ways with

the growth of human skills, the evolution and adoption of suitable innovations

and the maturation of indigenous institutions. The setback in capital

accumulation and in economic development during the 1970s might have occurred

precisely because factors of production have not been combined in the right

quantities. In any event, our emphasis on capital in this paper should not be

read to mean that we assign this factor a preeminent role.

3. Our analysis of capital productivity is cast in terms of the

incremental capital-output ratio (ICOR) which relates investment to changes in

GDP during the decades of the 1960s and 1970s. The intention is to capture

long-term changes in this coefficient and thereby to study the secular

relationship in the supply of capital and that of net production. The ICOR,

in this context, will be influenced by the pace of technical progress, the

growth of professional and managerial skills and the quality of organizations.

4. The ICOR is not narrowly concerned with new investment and its

impact on output. It is influenced not only by income attributable to new

investment but also by income generated by existing assets. And since

existing assets are generally very much larger than additions to the capital

stock, the ICOR is much more powerfully affected by the productivity of

existing assets than by the quality of new investment. For example, a decline

in capacity utilization throughout the economy caused by chronic scarcity of

foreign exchange will raise the ICOR substantially even though new investments

are highly productive.

5. An increase in the ICOR associated with the slowing down of GDP

growth is not by itself a convincing explanation. To trace the final causes

of the retardation, it is necessary to look further back into myriad factors

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that determine this coefficient. Nevertheless, the ICOR is a convenient

summary statistic that allows us to decompose changes in GDP growth into those

attributable to a deterioration in capital productivity and others related to

a fall in the rate of investment.

6. The ICOR is a familiar enough coefficient with many defects (see

Reddaway, 1962). In the Eastern Africa context, these defects are compounded

by the following problems. Firstly, the proper measure of ICOR should utilize

net fixed investment. Using gross rather than net investment introduces a

bias, since the replacement component of investment is smaller at higher rates

of growth of investment. Total investment includes inventories which may be

sizable in primary-producing (and especially mineral-producing) countries in

some years. Unfortunately, neither the extent of depreciation nor the fixed

component of investment is known in many African economies and the measure of

investment used in this paper is gross, total investment 1/. Secondly, the

ICOR is not a very stable statistic. Investment is a volatile variable and so

is output. Eastern African countries generally have large agricultural

sectors, subject to the vagaries of weather. We have used three-year averages

to deal with these fluctuations but we may not have entirely eliminated them.

Thirdly, many countries in Africa undertook massive, once-for-all type of

investment projects during our period of study. Examples of these are the

Tazara Railroad (Tanzania and Zambia), and the Inga-Shaba hydroelectric

project (Zaire). In these cases a marked rise in the ICOR over several years

is inevitable, but this rise does not necessarily mean that capital

productivity is falling.

1/ This is not unprecedented in empirical, development literature. Kuznets(1961), for instance, has used this concept.

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7. The data base for analysis is weak. Statistics on investment and

output in the non-monetized sector are particularly unreliable. National

account statistics prepared by official agencies in Eastern Africa are subject

to many other pitfalls (Annex III). We have relied mainly on data from these

sources, but it has been subjected to tests of consistency and adjusted in

some cases. Most of the statistical analysis in this paper is at the

economy-wide level. A brief enquiry into sectoral ICORs did not lead very

far. We have not attempted to establish the statistical relationship between

investment rates or ICORs and other structural or policy variables, given the

scarcity of reliable information.

8. This paper is not intended as a rigorous, quantitative analysis of

the setback in Eastern and Southern African development. Data are cited in

support of conclusions, but the statistical analysis does not generate them:

we have relied much more on expert observations of colleagues who have

followed developments in these countries over a fairly long time and who have

familiarity with field conditions in individual countries.

II. First, A Look At the Record

9. Eastern Africa passed through a disappointing decade of economic

growth in the seventies. The median growth rate in Eastern Africa, in the

1960s was above that of a group of largely Asian countries at similar, low

levels of per capita income. During the 1970s the reverse was true; growth in

comparator countries was higher than in Eastern Africa (Annex Table 1). If

the period 1968-1978, on which this paper focuses, is considered, then the

decline in growth in Eastern Africa is seen to be concentrated in the latter

half of the period (Annex Table 2). The relative position of Eastern Africa

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is worse, if comparison is made with a group of oil-importing middle-income

countries in East Asia. They recorded GDP growth rates of 8.2% per year

during the 1960-1973 period and 7.5% per annum during 1973-1980, compared to

the Eastern African average which fell short of 5% per annum in both periods.

10. However, the Eastern Africa experience has been diverse. In a few

countries such as Malawi, Kenya, Botswana and Lesotho the growth rate of

output in the seventies exceeded that of China, the low-income comparator

country with the most impressive record. In over a third of the Eastern

Africa countries, the growth rate was higher than in India or Pakistan.

Counterbalancing this was the experience of Ethiopia, Zaire, Uganda,

Madagascar, Zimbabwe and Zambia. In these countries output growth was either

very low or even negative, especially in the 1973-78 period; and they greatly

lowered the Eastern Africa averages.

11. The decline in the growth of income in Eastern Africa has been

paralleled by a decline in the growth rate of investment. In real terms, the

median annual growth rate of investment fell from almost 10% in the 1960s to

less than 3% in the 1970s (Annex Table 3). At the same time, the median ICOR

rose from 4.3 in 1967-1973 to 5.2 in 1973-79 (Annex Table 5). In this area

too, however, there is considerable diversity. Overall investment growth

rates have been impressive in Burundi, Malawi, Rwanda, Lesotho, Swaziland and

Botswana (Annex Table 4). On the other hand, negative investment growth rates

characterized Ethiopia, Uganda and Zambia.

12. The rise in ICORs is observed mainly in the 1973-79 sub-period. The

ratio rose in eight countries and in another three (Zaire, TJganda and

Zimbabwe) it had turned negative. In contrast, Malawi, Somalia, Sudan and

Tanzania showed a falling ICOR in the 1973-79 period. In six

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countries--Burundi, Malawi, Rwanda, Lesotho, Kenya and Botswana, ICORs were

relatively low (between 2.8 and 5.3), even in 1979 2/. Yet in six others the

ICORs had reached double digit or negative magnitudes.

13. These preliminary findings suggest that it is misleading to treat

the Eastern African countries as a homogenous group which suffered declining

growth of output as well as investment, accompanied by rising ICORs. While

this was true of countries with the bulk of population and GNP in the region,

there were significant exceptions. In this paper, accordingly, two

statistical groupings have been used. In the first group are countries with

relatively high rates of growth of investment and output and reasonable levels

of ICOR. In this group are included Botswana, Lesotho, Rwanda, Malawi,

Swaziland, Burundi, Kenya, Tanzania and Sudan. The second group consists of

countries with low rates of investment and output growth, accompanied by high

or even negative ICORs. In this category fall Somalia, Zaire, Uganda, Zambia,

Ethiopia, Madagascar and Zimbabwe; they account for almost 60% of the

population and only a slightly smaller fraction of GDP of the entire sample.

14. The criterion chosen to distinguish the two groups is whether the

rate of GDP growth for the 1967-1978 period exceeded or fell short of 4% per

annum 3/. Too much should not be read into the classification; it is purely

statistical. While there are similarities between the growth and investment

experience of countries in each category, their ranking by the investment

2/ Kuznets (1960) and Kuznets (1961) found gross ICORs lying between 4 and 6in many countries. Carrington and Edwards (1979) estimated gross ICORs tobe between 4 and 8 in the mid-seventies in several major OECD countries.See Annex Tables 6 and 7 for details.

3/ In terms of growth of per capita GDP, this would mean a growth rate ofapproximately 1 to 1.5% for most of the same countries.

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rate, ICOR, growth rate of GDP or other relevant series is not always

congruent. The Sudan and Tanzania deserve special mention in this context;

while we have put them in the first group on the basis of the chosen growth in

GDP criterion, they could just as well be assigned to the second group, if

emphasis was given to the behavior of savings or capacity utilization.

15. The timing of the setback in investment and output also shows

considerable inter-country variability. The first oil price increase of

1973-74 is often taken as a watershed in the recent growth history of oil

importing developing countries. This event was clearly of importance in the

region, but it was far from decisive. Very specific influences were at work

in each country. In 1972, Idi Amin came to power in Uganda and initiated

major changes in policy. In 1974, Ethiopia underwent a revolutionary change

in government. In 1975 the civil conflict in Zimbabwe escalated. The same

year also saw a decline in copper prices which severly affected Zambia and

Zaire. Drought affected several countries during the mid-seventies. Many

countries reaped the benefits of the coffee boom of 1976-77 to variable

degrees. The East African Common Market collapsed in 1977. Thus, while the

oil price rise of 1973 was, undoubtedly, a major factor in the economy of each

country, it was not the only and perhaps not even the predominant shock in all

of them. For presentational purposes, the three-year average centered on 1973

has been taken as a rough dividing line to separate the data for the period

under study 4/.

16. No country experienced a fall in GDP in the 1967-1973 sub-period,

but four countries suffered an absolute reverse during the 1973-78

sub-period. Moreover, during 1973-78 growth rates in output were lower in 10

4/ All growth rates are calculated using three-year averages as the base andterminal period.

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countries, relative to the earlier sub-period. In 11 countries the growth

rate of investment was lower in 1973-78 compared to 1967-73. In six countries

real investment declined in the latter sub-period, while this was the case in

only three countries in the 1967-73 period. The ICOR remained at a

satisfactory level in 1967-1973. ICORs were higher (ignoring very small

variations) in six countries and lower in eight, compared to the 1961-68

period. Except for Madagascar, no country had an unusually high ICOR in the

period upto 1973. The 1973-79 experience was much more unidirectional; in 12

countries the ICOR rose relative to the earlier sub-period.

17. We recognize that splitting the sample of 16 countries into two

groups, on the basis of a purely statistical criterion, is useful, but hardly

sufficient. A great deal of diversity remains in each group. For example,

Group I could be subdivided into (i) the BLS countries, i.e. Botswana, Lesotho

and Swaziland; (ii) countries facing acute demographic pressures, i.e.,

Malawi, Kenya, Rwanda and Burundi; (iii) the rest, i.e., Tanzania and Sudan.

The BLS countries are not typical. Their distinguishing characteristics are

the following: (a) Each has a population of less than 1 million; (b) Given

their geographical position and land-locked nature, they have very intensive

economic relations with the Republic of South Africa (RSA). These include

trade, a large flow of migrant-worker remittances from RSA to BLS countries,

private investment from RSA into mining, tourism and commercial agriculture in

BLS countries and fiscal arrangements under the Southern African Customs

Union. The seeming economic success of BLS countries, at least in terms of

macro-economic variables, must be related in large part to the prosperity of

RSA.

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18. Demographic pressure is present in all 16 countries. In fact, this

is a characteristic of the entire Sub-Saharan African region (see Faruqee and

Gulhati, 1983). However, in Malawi, Kenya, Rwanda and Burundi, the

demographic problem exists in a much more acute phase because the margin of

cultivable, but not yet cultivated, land has narrowed considerably or

disappeared altogether. This subset of countries also has policy frames which

share several common characteristics, i.e., openness to foreign private

investment, encouragement of indigenous private enterprise, tolerance for

large numbers of expatriates and relative emphasis on the economic growth

objective as against equity.

19. Tanzania and Sudan fall in a residual category, but they are very

different from one another. Tanzania is distinguished by its plentiful

physical potential and its sharp change of course symbolized by the Arusha

Declaration which rejected the private sector, outward-oriented, capitalist

strategy. Sudan also had its wave of nationalizations in 1970, but this

socialistic doctrine was reversed later on. It is a very large country in

physical size, but it is not richly endowed with infrastructure or natural

resources.

20. Countries in Group II are also a diverse lot in terms of

institutional and policy frames as well as per capita income levels (Ethiopia

$120 and Zambia $540 in 1979). Ethiopia, Uganda and Zimbabwe have been

victims of civil strife to a much larger extent than the rest. Zambia and

Zaire share a heavy dependence on copper and the sharp fluctuation in its

international price. Ethiopia, Madagascar and Zambia have assigned a

commanding role to the public sector and placed a heavy emphasis on the equity

objective.

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21. These brief, descriptive notes bring out the complex nature of

social, political and economic reality in Eastern Africa. The aim of

explaining the setback in capital accumulation in terms of some easily

identifiable factors is not at all easy.

III. Behavior of Investment

22. The slowing down in GDP growth could be the result of rising ICORs

or of declining investment ratios or of some combination of these factors. We

will examine the detailed evidence, first by focusing on the behavior of

investment and its ratio to GDP and later by studying ICORs.

23. The investment ratio in the mid-sixties (see text table page 11)

was very low in Burundi and Rwanda and already on the high side in five

countries. During 1967-1973, the volume of investment expanded briskly, i.e.,

at double-digit growth rates in Malawi, Zaire and Lesotho (Annex Table 4).

The investment ratio rose rapidly in these countries and also in some other

cases.

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RELATIVE GROWTH OF INVESTMENT AND GDP IN EASTERN AFRICA, 1968-1973 a!

Rate of Investment GrowthInvestment/GDP Less than Equal to More thanratio in 1966/68 Negative GDP Growth GDP Growth GDP Growth

Less than 10% Burundi Rwanda-------------------------------------------------------------- __-----------

Between 10% & 15% Sudan Madagascar SomaliaLesotho

Between 15% & 20% Uganda Ethiopia ZaireMalawiTanzania

------------------------------------------------------------- __------------

Above 20% Kenya BotswanaZambia ZimbabweSwaziland

a/ All growth rates use three-year averages for the base and terminal period.source: Data files, The World Bank.

24. A comparison of investment rates in the mid-seventies between

Eastern Africa and other LDCs suggests that the former was not much

handicapped. We generated a sample of 24 low-income countries, 15 from the

region and 9 non-African low-income countries. A regression equation was

fitted for the pooled sample of countries, relating the investment ratio to

per capita GDP in 1974-76. The estimated equation was:

_2I/Y = 8.4202 + 0.0516 (y) (R = 0.51)

Where I = gross national investmentY = GDP at factor cost

and y = GDP per capita in US dollars.

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In Ethiopia, Sudan, Burundi, Madagascar and Zimbabwe the actual ratio lay

below the regression line (see Figure 1). The actual investment ratio was

above the regression line in Malawi, Tanzania, Lesotho, Botswana, Somalia,

Zaire and Zambia. Malawi, Lesotho and Zaire stand out in having an investment

ratio far higher than warranted by their level of per capita GDP. In Kenya

the actual and predicted ratios were approximately equal. We also calculated

a regression equation of 15 East African countries separately 5/. The East

African regression line remains above the regression line for the pooled

sample, but the distance between the two tends to diminish at higher levels of

per capita income.

25. From this favorable position in the mid-seventies, the pace of

capital accumulation has slowed down considerably. The median growth rate in

the volume of investment slackened from a brisk 6.4% per annum during

1967-1973 to only 2.4% per annum in 1973-78. The text table on page 14 shows

that the volume of investment declined in absolute terms in six countries. It

is surprising to note, therefore, that in this period of widespread slowing

down, a number of countries experienced large increases in investment. There

was a dramatic turnaround in Burundi and Sudan who had experienced an

investment decline in the early 1970s, but who now saw a sharp rise (Annex

Table 4). Lesotho, Swaziland and Somalia maintained a substantial expansior.

in investment.

5/ The regression equation for 15 East African countries separately was

2I/Y = 11.6 + 0.0454(y) (R= 0.44)

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FIG. 1 THE INVESTMENT RATIO AND GDP PER CAPITA, 1974-7645 , , , , , , , _ , ,

BOTSMAM

40LOSOTMW

REGRESSION LINE,

*ZA3REp RE0GRESS ION L INE,I- // _ 5 COMBINED SAMPLE

w

> 20zH

e .. .. II I I IB 5Q t 0Q 15Q 20e 2SQ 300 350 4B0 450 500 558

GDP PER CAPITA (u.s DOLLARS)

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- 14 -

a/RELATIVE GROWTH OF INVESTMENT AND GDP IN EASTERN AFRICA, 1973-1978

Rate of Investment GrowthInvestment/GDP Less than Equal to More thanRatio in 1973 Negative GDP Growth GDP Growth GDP Growth

Less than 10% Burundi----------------------------------------------------------------- __--------

Between 10% & 15% Ethiopia Rwanda SudanMadagascarUqanda

Between 15% & 20% Lesotho

Above 20% Zambia Tanzania Somalia ZaireZimbabwe Kenya SwazilandBotswana Malawi Somalia

a/ All growth rates are based on three year averages for the base and terminalperiod.

Source: Data files, the World Bank.

26. Looking at the situation at the end of the 1970s, the investment

picture is particularly stark in two countries. In Uganda, the investment

ratio has dropped from a respectable 16% to 17 % of GDP in the late 1960s to

an abysmally low level of 3% to 4% now. This is catastrophic. In Ethiopia,

the drop is not as precipitous, i.e., from 15% to 9% in the same period, but

it is a cause for concern (Annex Table 8).

27. The setback in investment is largely an African phenomenon. Out of

63 non-African low-and middle-income countries listed in the World Development

Report, 1981, only 8% of the sample had negative investment growth rates in

the seventies. In Eastern Africa this was the case in 40% of the sample. All

the countries in Group II with the exception of Somalia had declining real

investment rates in this period.

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- 15 -

28. The slowing down of investment activity in Eastern Africa could be

the result of a relative scarcity of investable funds or strains on absorptive

capacity (reflected in lack of projects, shortages of trained personnel,

emergence of bottlenecks and delays in decision making (see Gulhati, 1967) or

some combination of these two factors). Given that at least eight countries

have experienced an expansion of investment at a rate of 6% per year or more

over the whole period 1967-1978, we should not discount the impact of strained

absorptive capacity in reining in investment. Central government investment

outlays in real terms doubled in Zaire in the early 1970s and trebled in

Malawi, Lesotho and Botswana during 1972-79 (Annex Table 9). Lack of projects

has been an issue in several instances. Availability of project managers,

engineers and accountants has been a chronic problem in most of these

countries. Bottlenecks, such as limited construction capacity and congestion

in ports have delayed project implementation in many places. Finally,

slowness of government decision making has been a pervasive phenomena

affecting all aspects of economic activity. These strains have not only

influenced the trend of capital accumulation but also its quality; a topic we

will discuss in the context of ICORs.

29. Meanwhile, we will focus on the availability of savings--internal

and external--as a factor bearing on capital accumulation. Figure 2 shows

that while the median investment ratio for the whole sample rose from 16.5% to

24.1% between 1966/68 and 1973/75, the national savings ratio was fairly

flat. Subsequently, the average investment ratio dropped by about 3 points

and the savings ratio by almost 4 points. The proportionate contribution of

external savings in financing capital accumulation has tended to rise during

the period as a whole.

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-16 -

FIGURE 2: THE MEDIAN RATIOS OF SAVINGS ANDINVESTMENT TO GDP,EASTERN AFRICA

sB-

-THE INVESTIENT RATIO

(PERCENT)' THE SAVINGS RATIO

24-

s-I

12-

|~~~~~~~~~~~~~~~~~~~~~ %

19;7 1198 1888 t878 t871 1872 1873 1874 1879 1878 1977 19;8

YEARS

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- 17 -

30. National savings during the late 1960s were very low or negative in

more than one-third of the sample, as the table below shows. Burundi, Lesotho

and Botswana had negative savings at that time. Only Zambia had a high

savings coefficient. The record shows a substantial rise in savings till

about the middle of the 1970s. This was particularly the case in Malawi,

Swaziland, Botswana and Zimbabwe (see Annex Table 10).

RATIO OF SAVINGS TO GDP

(Number of countries)1966/68 1972/74 1976/78

Low Ratios (less than 5%) 6 3 3Middle Ratios (5% up to 20%) 9 9 8High Ratios (above 20%) 1 4 5

31. The savings ratios of African countries were not atypical when

compared with a broad sample of low-income countries. A regression of the

savings ratio in 1974-76 against per capita GDP for a sample of 9 comparator

low-income countries and 15 Eastern Africa countries indicated that actual

savings in Malawi, Tanzania, Kenya, Swaziland, Ethiopia and Somalia were above

the predicted level (see Figure 3). Actual savings lay below the predicted

level in Lesotho, Sudan, Botswana, Zaire and Madagascar. We also calculated a

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FIG 3. THE SAVINGS RATIO AND GDP PER CAPITA, 1974-7645 . a -s

40

35

30

2.5H 2 5 REGRESSION LINE, '

<< ~~~~~~~~~~~~~~COMBINEDDSAMPLE20

U) ~~~~~~~~~~~~~~~~~~REGRESSION LINE,z l X#XU E. AFRICA_

z iS - / _

0 H A

35

-5

-10LEBHOW

0 50 801 1 5Q 200 250 300 35Q 488 458 58a8 550

QDP PER CAPITA(u.S. DOLLARS)

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- 19 -

regression equation for 15 Eastern African countries separately 6/. The

regression line for Eastern Africa remained below the pooled regression line

for a substantial range of per capita incomes.

32. During the second half of the 1970s, the trend was distinctively

towards lower domestic saving ratios, particularly in Group II and in Tanzania

and Sudan from Group I. In the case of copper exporting economies, declining

saving ratios went hand in hand with a serious deterioration in the terms of

trade (Figure 4) but this relation did not hold in many other instances. The

collapse of savings in Ethiopia and Uganda took place despite the rise of

coffee prices and substantial improvement in terms of trade (Figure 5; also

see Annex Table 11).

33. The reliance of Eastern Africa on external savings to finance its

investment program has always been high and this has increased (Annex Table

12). The median ratio of gross national savings to gross national investment

exceeded 700% only once during this period. In seven out of fourteen countries

for which data are available for 1977-79, this ratio was below 50%. In Group

I countries, domestic savings financed only approximately a quarter of total

investment at the beginning of the period. This proportion had risen to over

a half by 1973, but it has shown no sustained increase threafter. In Group II

countries the reliance on domestic resources for investment was much higher at

6/ It should be stressed that the data base for this exercise is quite weak.Apart from the data problems in Africa, savings data on economies such asNepal or Afghanistan are largely conjectural. Even in Bangladesh or Indiasavings estimates are not felt to be very accurate. The regressionequation for the pooled sample was:

2S/Y = 1.06 + 0.0549 y (R = 0.41) where S = savings, Y = GDP and y =

per capita GDP. For 15 Eastern Africa countries the equation was:2

S/Y = 4.15 + 0.0609 y (R = 0.43)

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- 20 -

FIGURE 4: THE SAVINGS RATIO AND TERMS OFTRADE<,ZAMBIA AND ZAIRE

-_TERMS OF TRAD. ZAMBIA- TERMS OF TRADE ZAIRE

-- - SAVINGS RATIO, ZAMBIA---- SAVINGS RATIO ZAIRE

_ I

4%

IL -zfi;:e . . . . -11

%~~~~~~~~~~~~~~~~~~~4

NC

023-

1867 1888 sass 1870 1871 1872 1873 1974 1975 1876 -1977 1878YEARS

*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The terms of trade is an index with the value for the year1975 = 10. The plotted points are three-year averages.

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-21 -

FIGURE S:THE SAVINGS RATIO AND TERMS OFTRADE*ETHIOPIA AND UGANDA

-fi TERMS OF TRADE ETHIOPIA- - TERMS OF TRADE UGANDA-- -- SAVIN6S RATIO UGANDA---- SAVINGS RATIO ETHIOPIA

20- ~ ~ ~ ~ ~ ~ ~ ~ ~ 7

i- /

le-~~~~~-

19B7 19B8 18B8 1870 1871 1272 1973 1874 1975 1876 1977 1978

YEARS

The terms of trade is an index with the value for the year1975 = 10. The plotted points are three-year averages.

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- 22 -

the beginning of the period, approximately 90%. By 1978 this ratio had fallen

to almost 55%. Five cases of striking increase in the domestic financing of

investment can be identified: these are Burundi, Malawi, Rwanda, Swaziland

and Botswana. However, all these countries started the period with very low

or even negative savings rates so that with the exception of Swaziland they

are still heavily dependent on external capital flows. In Tanzania, Sudan,

Zaire and Ethiopia the ratio of gross domestic savings to investment has

declined; the drop is precipitous in the case of the first three countries.

34. Most of the external savings in Eastern Africa take the form of

official development assistance or ODA. Annex Table 13 shows that ODA

exceeded 50% of external resources inflow in all countries and exceeded 75% in

11 of them. In earlier years, non-concessional capital flows constituted an

important source of external capital in Zambia, Zaire, Sudan and Kenya. This

resulted in a rapid buildup of debt service payments, and in Zaire and Sudan

it was necessary to negotiate postponement in scheduled debt service

payments. The role of direct investment has not been of much importance in

the Eastern African countries, with the exception of Zaire and the countries

of the Southern African Customs Union. On the basis of the IMF figures,

direct investment accounted for only 5% to 9% of long-term capital flows to

Sub-Saharan Africa 7/ (Annex Table 14). Even in countries such as Kenya or

Malawi which have been very receptive to foreign equity capital, net private

7/ There are major statistical gaps in this area. The two sources of primarydata, the OECD and the IMF, each suffer from crucial deficiences. TheOECD data omit South African investment since it is concerned only withthe DAC group. The IMF data do not cover Zaire, an important recipientcountry. IMF data also include flows between South Africa and its customsunion partners originating in the customs union payments provisions. Datafor the BLS countries are, therefore, not comparable to that of othercountries.

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- 23 -

direct investments have been only 10% to 15% of total long-term capital

inflows. Moreover, much of the investment is in the form of reinvestment of

profits by established foreign companies. Besides the mineral producers, only

Kenya has any substantial stock of foreign capital (Annex Table 16).

35. To conclude this section, the supply of investable funds has had a

considerble influence on the tempo and pattern of capital accumulation.

Declining national saving rates during the late 1970s affected investment

adversely and this tendency would have been more pronounced had it not been

for some offsetting changes in the flow of external funds. ODA from all

sources to the sample of 16 countries expanded by 7% per annum in real terms

during 1976-79. Heavy reliance on ODA also emphasizes the vulnerability of

Eastern Africa in that future investment prospects are intimately tied up with

what happens to official aid. It is clear that the region is not of

particular interest to private foreign investors and that considerations of

creditworthiness will stand in the way of external borrowing on commercial

terms, except on a limited scale.

IV. Productivity of Capital

36. The deterioration in ICORs has been a widespread phenomena. In

trying to understand why this has happened, we will look at the following

factors:

- extent of capacity utilization;

- changes in sectoral-mix of investment and output, and in sectoral

ICORs;

- strains on absorptive capacity; and

- impact of government policy.

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Capacity Utilization

37. Our hypothesis regarding utilization is that it has fallen sharply,

partly because of a scarcity of imports. The emergence of idle capacity

raised ICORs sharply, but this decline in capital productivity is caused not

so much by the quality of new investment projects as by the economy-wide

constraint on imports. It follows that ICORs will fall as soon as extra

foreign exchange is available to purchase critical production inputs.

38. Direct evidence to support this hypothesis is scant. Measurements

of capacity utilizations are crude and observations over time are seldom

available. Some statistics are available for Tanzania, Somalia, Sudan, and

Zambia (Annex Tables 18-23). The Tanzanian figures related to the late 1970s

and showed capacity utilization varying from a low of 12% in motorcycles and

bicycles to a high of 94% in tobacco manufactures. There was some tendency

for utilization to vary inversely with the degree of dependence of the

activity on imports. In Somalia, however, utilization was low even in

industries relying on domnestic materials, e.g. meat. Plant capacity had been

designed with exports in view, but these failed to materialize. In Sudan,

Zambia and Zaire the import constraint had been much more severe and this had

affected local farm production; thereby reducing supplies of local and

imported raw materials to manufacturers.

39. No capacity utilization data was available for agriculture, but

there was no doubt that mechanized agricultural production was severely

reduced, partly because of the unavailability of imported spare parts or fuel

for tractors and fertilizers, etc. Events in the Geizera Scheme in the Sudan

are pertinent in this context. The sharp decline in Geizera cotton should not

all be attributed to the foreign exchange constraint; there were many other

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- 25 -

factors involved, but unavailability of critical imports was an important part

of the picture. In Tanzania, the shortage of foreign exchange was partly

responsible for the collapse of agriculture. Many crops such as wheat, rice,

sugar, tea, tobacco, sisal and mild coffee rely heavily on imported inputs.

Even maize grown for the urban market uses a large amount of inputs purchased

abroad. In addition, transportation of farm output in a country as

geographically dispersed as Tanzania is very demanding of foreign exchange for

vehicle parts and fuel.

40. We can also cite some evidence at the macro-level on this issue.

Ideally one would study the relation between the flow of intermediate good

imports and ICORs but data for this exercise is not available. Instead, we

have examined the connection between ICORs, total imports and petroleum

imports. Overall there is some correlation between rising ICORs and declining

imports. Group II countries have experienced both phenomena in a more

intensive form than Group I. However, there are cases such as Kenya, and to a

lesser extent, Malawi, where declines in import coefficients allowed GDP

growth with a less than proportionate expansion in imports and without a

sacrifice of productivity. There are also cases such as Somalia and Sudan,

where capacity utilization problems were evident even in a period when the

volume of imports was rising significantly. It was difficult in these

countries to divert foreign exchange earnings to the import of intermediate

goods, since a sizeable part of these earnings accrued to migrants and did not

pass through official channels. Remittances from migrant workers typically

came in the form of non-essential consumer good imports which could be sold in

local markets at premium prices. Furthermore, a large part of imports were

financed by external aid tied to capital goods required by new projects and

not available for purchasing intermediates required for using already

installed capacity.

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THE RELATION BETWEEN CHANGE IN ICORS, CHANGE IN IMPORTS

AND THE CHANGE IN PETROLEUM IMPORTS

PercentagePercentage Percentage Change in

Change in Change in Volume of

ICOR between Import Petroleum

1967-73 and Volume Imports

1973-79 1973-77 a/ 1973-77 a/

Group I

1. Burundi 47 45 6

2. Malawi -12 14 8

3. Rwanda 174 1164 462

4. Tanzania 13 -4 42

5. Lesotho 93 89 --

6. Sudan c/ 47 --

7. Kenya 71 -8

8. Swaziland 197 41 --

9. Botswana 73 49 __

Median 25 38 8

Group II

10. Ethiopia 112 14 -10

11. Somalia c/ 27 200

12. Zaire b/ -50 --

13. Madagascar -17 -6 -11

14. Uganda b/ -23 -6

15. Zimbabwe b/ -31 11

16. Zambia 247 -29 23

Median 326 -8 1

Eastern AfricaMedian 21 12 4

a/ These changes are calculated on the basis of three-year averages for the

base and the terminal.

b/ ICOR was negative in latter period implying severe deterioration in the

productivity of investment.

c/ Available data show reduction in ICOR but this is inconsistent with expert

observations.

Source: Annex Table 5, 24 & 25.

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41. Also significant was the sluggishness or decline in the volume of

petroleum imports in recent years in several countries. Typically, petroleum

imports increased much more rapidly than GDP in the late 1960s and early

1970s. The subsequent slowing down was a major impediment in the efficient

functioning of the transport network which was the major end-user of oil

imports. This generated a major setback for many economic activities,

especially agricultural marketing, in many countries.

42. Capacity utilization has also fallen because governments have not

provided sufficient funds in the recurrent budget to purchase inputs required

for maintenance and operation of schools, health clinics, roads, agricultural

research and extension services, etc. Although this generalization was

supported by field observations of economic and technical analysts familiar

with Eastern Africa, it was not possible to cite systematic statistical

evidence for all countries. Faced with budgetary difficulties, governments

responded by a series of actions during the late 1970s which cumulatively led

to an anomalous situation, namely underfunding of already completed economic

assets in the public sector while new projects were being launched.

43. Conditions regarding road maintenance are a source of concern in

most countries, particularly with respect to secondary and feeder roads.

Underfunding was not the only difficulty but it was a major impediment in

securing the full benefits of past investments in the road network.

Similarly, very large capital outlays on primary schools during the 1970s were

not producing the expected benefits because of inadequate recurrent budget

provisions. Annex Table 26 shows that real recurrent provisions per primary

school student declined during 1970-75 by 42% in Uganda, by 41% in Malawi, by

38% in Madagascar and by 37% in Lesotho.

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44. We were able to find data on real recurrent budget outlays on

economic services for only four countries, and even this information is

subject to many qualifications (Annex Table 28). In the Sudan, the peak was

reached in 1974; since then recurrent outlays for economic services have been

falling. In 1979 the index of these outlays had declined by 53 points.

Similarly, these outlays in Zambia peaked in 1975 and by 1978 they had

declined by 80 points. Kenyan and Tanzanian data show rising indices, but we

are not able to determine whether or not these increases were adequate. We do

know that Tanzanian agriculture has been deprived adequate recurrent budget

funds, impeding the mobility of research and extension staff and creating

shortages of needed materials and provisions.

Sector-Mix and Sectoral ICORs

45. The economy-wide ICOR is a weighted average of sectoral ICORs.

Typically, agriculture has the lowest ratio and this situation persists until

a rather advanced state of development when agriculture gets increasingly

mechanized (Kuznets, 1960 and 1961). In Eastern Africa, agricultural ICORs

are particularly low, reflecting the very low technology and the general

absence of draft animals and irrigation.

46. The upward shift in ICORs can be attributed to some extent to the

decline in the share of agriculture in investment and output. Available data

are summarized in the table on page 29. They show a substantial contraction

in agriculture's share in total capital formation in Burundi, Tanzania and

Kenya, although many gaps in the statistical series limit their usefulness.

The contribution of agriculture to GNP also fell in these cases as well as in

Malawi, Ethiopia, Somalia and Zimbabwe.

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CHANGES IN SHARE OF AGRICULTURE IN OUTPUT AND INVESTMENT

(in percent)

Output Investment1967 1973 1978 1967 1973 1978

Burundi 66 67 62 - 35 20Malawi 54 49 44 - - -Tanzania 44 39 41 11 6 -

Kenya 37 32 32 13 9 9Ethiopia 56 50 48 6 8 -Somalia 90 53 55 23/a 16/b 25

Zimbabwe - 17 14 - 10 11/cZaire - 16 18 - - -

Zambia - 11 12 7 5/d -

a/ 1963-66b/ 1975c*/ 1977d-/ 1971

Source: Data Files: The World Bank

47. Time series data on sectoral investment and output are not available

for most countries. We have, nevertheless, tried in two cases to break down

each sector's contribution to the change in the economy-wide ICOR, using

Martin Wolf's formula (see Annex II). In the Tanzanian case, the

decomposition exercise reveals the impact of countervailing sectoral trends

which more or less offset each other, thereby making for an almost stable

economy-wide ICOR. The agricultural ICOR declined but this was counteracted

by a sharp increase in the industrial ICOR. The role of the services sector

remained unchanged.

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48. The second decomposition exercise for Kenya was based on data which

is not consistent with that used in this paper. We cite the results,

nevertheless, simply to illustrate the nature of the calculations.

Accordingly, ICORs rose in all sectors; the services sector was responsible

for 64% of the rise in the overall ratio; industry contributed 33% and

agriculture only 3%.

Absorptive Capacity

49. We have mentioned, earlier (para. 28) that rapid expansion in the

volume of investment during the late 1960s and 1970s created a number of

bottlenecks, particularly in the public sector. The supply of skills for

example, did not keep pace with the growing number of projects started.

Although a concerted attempt was made to expand enrollment and train available

personnel, the demand for project staff could not be satisfied in a timely

fashion. The period witnessed an outflow of colonial officers as part of the

indigenization drive and after 1973, there was another migration of Somalis

and Sudanese (including professionals) to the Gulf countries in search of

attractive salaries. The local supply of middle- and high-level skills was

supplemented to some extent by expatriates financed by technical assistance or

on direct hire. Nevertheless, vacancies persisted and available staff was

moved from post to post in a desperate attempt to fill gaps. All this was

well understood among development practitioners familiar with Eastern Africa,

even though we have not found systematic evidence to buttress these

impressions.

50. In this context it is instructive to examine the experience of the

World Bank in project implementation during the 1970s. Our focus is on 32

agricultural projects. In one-fifth of these cases, actual costs were higher

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than estimated costs. In no less than half the sample, actual unit costs were

higher than estimated. In one-third of the sample, the planned project size

had to be reduced. The reasons for this varied, but stringency of budget

funds, inability on the part of the governments to set up implementation units

in time as well as the failure to mobilize project beneficiaries figured

prominently. In about one-third of the projects, the actual completion time

substantially exceeded the estimated time. Furthermore, in almost all these

cases problems relating to administration and staff were partly responsible

for delays. There were relatively few instances where purely technical or

natural factors were responsible for the delay in project completion.

Impact of Government Policy

51. It can be argued that a number of structural factors in Eastern and

Southern Africa countries tend to raise capital costs, compared to say those

prevailing in the Indian sub-continent. Many Eastern and Southern African

countries are landlocked and this makes for higher transportation costs.

Also, they are of small economic size and thereby unable to exploit economies

of scale and agglomeration. They face a large element of uncertainty, making

it necessary to hold substantial inventories. Labor, including unskilled

labor, is relatively more expensive (Gulhati and Sekhar, 1981). And the acute

scarcity of skills and experience tends to reduce productivity all around. To

these structural factors should be added the impact of government policy on

the efficiency of investment. This impact is visible at macro, sectoral and

project levels, particularly during the latter 1970s, when these economies had

to confront a substantial deterioration in the international economic climate.

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52. The sharp fall in capacity utilization related to the import squeeze

in many Eastern and Southern African countries was the result not only of

declining terms of trade but also of the policy-induced bias against exports

reflected in the price and exchange rate regimes. In the event, the volume of

exports declined during 1970-79 in Tanzania, Kenya and Sudan (Group I) as well

as in Ethiopia, Zaire, Zambia, Madagascar and Uganda (Group II) (see World

Bank, 1981). Their marketing was frequently the sole responsibility of

parastatals which tended to absorb a growing part of the border price, thereby

undermining farm incentives. Furthermore, many of these governments opted to

deal with the pressure on the balance of payments by import restrictions

rather than by pursuing an active exchange rate policy (Gulhati and

Autokorala, forthcoming). The scarcity value of foreign exchange was not

reflected in the payment made to exporters. Those who earned foreign exchange

by exportation were not rewarded suitably, leading in time to the accentuation'

of the import constraint, fall in the utilization of capacity and the

corresponding rise in ICORs.

53. The decline in the share of agriculture in investment and output and

the parallel emphasis on industrialization and urban infrastructure were also

policy induced to a large extent. While farm prices were regulated at low

levels, manufactured goods' production was stimulated by raising their prices

to levels far above those prevailing internationally. For some time this

strategy produced rapid growth of the manufacturing sector, but this advance

could not be sustained (Gulhati and Sekhar, 1981). The incentive system was

tilted in favor of both import and capital-intensive industrialization

oriented mainly to the home market. The new manufacturers became the victim

of the economy-wide foreign exchange constraint. Their high costs prevented

them from selling abroad in order to finance their import needs.

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54. Investment activity in the public sector rose at a faster rate than

in the private sector in many Eastern and Southern African countries (Annex

Table 27). This was true not only of Ethiopia and Zambia, i.e. socialist

economies, but also of Burundi and Malawi who remain capitalistic in their

ideology. At the end of the 1970s, there was scarcely any country in our

sample in which the share of public investment fell short of 40% of total

investment in the formal or monetized sector and in several this share was

much higher. In principle, this public investment was subject to scrutiny via

the planning, project appraisal and budgeting processes. Since a substantial

part of public investment was financed with ODA, many of the bigger projects

were scrutinized by technical and economic staffs of aid agencies. The

deterioration in the productivity of investment took place despite all these

ex-ante analyses and supervision missions during the course of project

implementation.

55. An examination of 21 agricultural projects in Eastern and Southern

Africa, financed partly by the World Bank Group, is instructive in this

context. The weighted average economic rate of return ex-ante was nearly 20%:

a re-evaluation of these same projects (after construction was completed and

the flow of benefits had started) resulted in a weighted rate of return

ex-post of only 12%. Of course, even the latter was an estimate since an

actual rate of return could be calculated only at the end of the project's

life. The substantial deterioration in capital productivity captured by these

ex-ante and ex-post estimates was the result of some combination of

cost overruns, time delays and scaling down of project benefits.

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V. Conclusion

56. Now we will try to answer some of the questions listed in the

introduction:

- the relative roles of the investment rate and investment

productivity in bringing about a retardation in GDP growth;

- factors responsible for the declining productivity of investment.

57. Nine out of 16 countries in our sample experienced a retardation in

the growth of GDP. The extent of the setback was relatively minor in Rwanda

but very large in Botswana, Zimbabwe, Zaire and Zambia (see table on page

35). In Swaziland and Rwanda the setback in GDP growth took place despite a

large rise in the investment rate: it was entirely due to a decline in the

return to capital. In Zimbabwe, the investment rate remained more or less

unchanged and the slowing down in the expansion of GDP was attributable to a

fall in capital productivity. The last column shows that GDP growth would

have increased very slightly, if the ICOR had remained constant during the

1970s. Deterioration in capital productivity was also the dominant factor in

Zambia, Zaire, Botswana and Uganda. Zambia's GDP growth rate declined by

seven percentage points, despite a substantial rise in the investment rate.

In Zaire, Botswana and Uganda the setback was the combined result of falling

investment and deteriorating capital productivity, but the latter clearly

played the dominant role. For example, in Zaire, GDP expansion was reduced by

8.6 percentage points; of this less than one percentage point could be

explained by the fall in the investment rate (see last column), and the rest

was attributable to a deterioration in capital productivity. In contrast, the

decline in the investment rate was exclusively responsible for the setback in

GDP in Madagascar (which experienced an improvement in capital productivity),

and it was the major culprit in Ethiopia.

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Analysis of Setback in Growth Rate of GDP1967-73 Compared to 1973-78

(percentage points)

Change inthe Rate of Change in GDP

Extent of Investment Growth RateSetback in GDP & Savings* Assuming(percent p.a.) I S Change in ICOR Constant ICOR

Swaziland - 4.9 14.2 23.4 197 +0.9Rwanda - 0.8 13.8 9.5 174 +1.6Zimbabwe - 9.1 - 0.5 1.5 x +0.6Zambia - 7.0 4.0 -12.2 247 -0.6Zaire - 8.6 - 1.3 -18.8 x -0.7Botswana -13.1 - 1.8 21.7 73 -3.2Uganda - 4.5 -11.8 - 9.9 x -1.7Madagascar - 1.4 - 3.4 0.0 - 17 -0.9Ethiopia - 2.9 - 3.4 - 5.1 112 -1.4

* 1976-78 compared to 1969-71.

x ICOR was negative in latter period implying severe deteriorationin the return to existing capital and new investment.

Source: Annex Tables 2, 5, 8 and 10.

58. We cannot assess quantitatively the role of various factors

contributing to a decline in the productivity of investment. The attempt by

many countries to raise rapidly the level of overall investment, to

industrialize and modernize their economies at the expense of agriculture and

to expand the public sector at a rate which far exceeded the availability of

relevant professional skills has led to a massive deterioration in the quality

of projects and the effectiveness of their implementation. Superimposed on

these factors was the deterioration in the international economic climate

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which made it even more difficult to manage the public finances and the

foreign exchange budgets, thereby compounding the problems of project

execution and causing capacity utilization to decline drastically.

59. The analysis in this paper is based on data up to 1979. Systematic

information is not available for the subsequent period but it is clear that

economic difficulties facing these countries have multiplied. The retardation

in GDP growth became even more pronounced in 1980 and 1981. The constraint on

foreign exchange for the import of intermediate goods remained acute.

Budgetary pressures made it very difficult to fund recurrent economic needs

adequately, and so on.

60. Economic recovery will necessitate a reconsideration of major

elements of the economic and institutional policy frame. First, the emphasis

will have to be on consolidation and rehabilitation rather than on starting

many new projects. The aim of obtaining a reasonable pay off from already

completed investments must take precedence over starting new schemes. The

efficiency of the existing capital stock must be increased before launching

the next round of capital accumulation. Secondly, the emphasis will have to

be on reviving traditional agriculture (food plus cash crops), thereby

securing some relaxation of the constraint on foreign exchange through volume

increases of exports and reduction of the need for food imports. Once this

phase is over, attention can be given to the promotion of new crops and

technological changes to raise yields. A prosperous and dynamic agriculture

is a good foundation for industrialization, since it provides many inputs for

manufacturing and since it is also a major consumer of industrial goods. The

plea to revive and strengthen agriculture should not be viewed as a step

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detrimental to the industrialization drive of African countries. Finally, the

recovery program requires institutional adjustments aimed at improving the

efficiency of the public sector and at expanding its capacity to manage the

economy.

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ANNEX I

Statistical Tables

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Table 1: THE GROWTH OF GDP IN CONSTANT PRICES,EASTERN AFRICA AND COMPARATOR COUNTRIES,

1960-70 AND 1970-79

Average annual growth rate1960-70 1970-79

Group I12.Burundi 4.4 3.02. Malawi 4.9 6.33. Rwanda 2.7 4.14. Tanzania 6.0 4.95. Lesotho 4.6 7.06. Sudan 1.3 4.3

-7. Kenya 6.0 6.58. Swaziland 8.6 4.69. Botswana 5.7 13.5

Median 4.9 7.0

Group II1UT Ethiopia 4.4 1.911. Somalia 1.0 3.112. Zaire 3.6 -0.713. Madagascar 2.7 0.314. Uganda 5.9 -0.415. Zimbabwe 4.3 1.616. Zambia 5.0 1.5

Median 4.3 1.5

Eastern Africa median 4.5 3.6

Comparator countriesMedian /a 3.5 4.2

/a Consists of nine low income Asian countriesand Haiti.

Source: 1. Accelerated Development in Sub-SaharanAfrica: An Agenda for Action, WorldBank, 1981.

2. World Development Report, 1981, WorldBank.

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ANNEX

Table 2: THE GROWTH OF GDP IN CONSTANT PRICES,1967-78 AND SUB-PERIODS 1967-73 AND 1973-78

Average annual growth rate /a1967-78 1967-73 1973-78

Group I1. Burundi 4.1 4.1 4.12. Malawi * 5.7 5.4 6.03. Rwanda 5.2 5.6 4.84. Tanzania 4.7 4.4 5.15. Lesotho 5.2 3.7 6.96. Sudan * 4.3 4.3 4.37. Kenya 6.3 6.7 5.88. Swaziland 5.8 7.8 2.99. Botswana * 13.8 22.0 8.9

Median 5.2 5.4 5.1

Group II10. Ethiopia 2.7 4.0 1.111. Somalia * 3.4 1.8 5.312. Zaire 3.1 7.1 -1.513. Madagascar 1.1 1.7 0.314. Uganda * 1.2 3.3 -1.215. Zimbabwe 3.9 8.2 -1.116. Zambia 2.4 5.8 -1.4

Median 2.7 4.0 -1.1

Eastern Africa median 4.2 4.9 4.2

/a Compound rate of growth of GDP at factor costbased on three year end point averages.

* = For countries marked with an asterisk, GDP atmarket prices was used for lack of data.

Source: Data Files, World Bank.

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ANNEX

Table 3: THE GROWTH OF GROSS DOMESTIC INVESTMENT IN CONSTANT PRICES,EASTERN AFRICA AND COMPARATOR COUNTRIES, 1960-70 AND 1970-79 /a

Average annual growth rate /a1960-70 1970-79

Group I1. Burundi 4.3 16.52. Malawi 15.4 2.33. Rwanda 3.5 18.94. Tanzania 9.8 3.05. Lesotho 18.5 24.46. Sudan -1.3 8.07. Kenya 7.0 1.28. Swaziland 10.6 13.39. Botswana 25.3 5.6

Median 9.8 8.0

Group II

10. Ethiopia 5.7 - 1.811. Somalia 4.3 8.512. Zaire 9.6 - 5.013. Madagascar 5.4 - 1.814. Uganda 9.8 -13.115. Zimbabwe -- - 2.116. Zambia 10.6 - 5.6

Median 7.7 - 2.1

Eastern Africa median 9.6 2.7

Comparator countries median 5.5 6.7

-- = Not available.

/a Least squares growth rates.

Source: Accelerated Development in Sub-Saharan Africa: An Agenda forAction, World Bank, 1981.

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ANNEX

Table 4: THE GROWTH OF GROSS DOMESTIC INVESTMENT IN CONSTANT PRICES,1967-78 AND SUB-PERIODS 1967-73 AND 1973-78 /a

Average annual growth rate /a1967-78 1967-73 1973-78

Group I1. Burundi 8.9 -1.0 22.02. Malawi 9.3 13.9 4.13. Rwanda 15.2 9.4 23.04. Tanzania 6.0 7.3 4.55. Lesotho 17.3 11.5 25.06. Sudan 3.5 -2.2 10.67. Kenya 4.9 6.9 2.58. Swaziland 9.1 7.4 9.39. Botswana 18.1 36.0 - 4.3

Median 9.1 7.3 4.5

Group II10. Ethiopia -1.8 0.2 - 4.011. Somalia 6.2 5.5 7.212. Zaire 2.9 13.0 0.413. Madagascar 0.4 1.9 - 1.314. Uganda -8.0 -4.4 -12.415. Zimbabwe 0.4 9.1 - 9.116. Zambia -2.4 5.8 -11.4

Median 0.4 5.5 - 4.0

Eastern Africa median 6.0 6.4 2.4

/a Compound rates of growth based on three-yearaverages.

Source: Data Files, Warld Bank.

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ANNEX

Table 5: THE INCREMENTAL CAPITAL OUTPUT RATIOIN THE PERIODS 1961-68, 1967-73 AND 1973-79 /a

ICOR1961-68 1967-73 1973-79

Group IIIi-Ftundi 1.8 1.9 2.82. Malawi 2.8 4.3 3.83. Rwanda 4.5 1.9 5.24. Tanzania 2.7 5.3 4.65. Lesotho 2.0 2.7 5.26. Sudan 16.5 5.7 3.67. Kenya 4.1 4.2 4.58. Swaziland 3.9 3.6 10.79. Botswana 3.3 2.6 4.5

Median 3.3 3.6 4.5

Group II10. Ethiopia 3.6 4.2 8.911. Somalia 6.0 8.0 4.212. Zaire 6.2 4.5 neg.13. Madagascar 8.6 17.5 14.514. Uganda 2.5 5.7 neg.15. Zimbabwe 6.8 3.2 neg.16. Zambia 9.2 7.0 24.3

Median 6.2 5.7 24.3

Eastern Africa median 4.0 4.3 5.2

neg. = Negative.

/a The years 1961-68 were chosen rather than 1960-67because of data constraints. The method used forcomputing ICORs is described in Annex 2.

Source: Data Files, World Bank.

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ANNEX

Table 6: INCREMENTAL GROSS CAPITAL OUTPUT RATIOSIN FIVE DEVELOPED COUNTRIES, 1967 TO 1974

1967 1968 1969 1970 1971 1972 1973 1974

1. France 6.5 5.1 3.4 3.5 4.7 4.4 4.8 8.62. Japan 2.6 2.7 3.5 - 3.6 5.2 4.4 4.2 --3. West Germany 7.3 -- 3.3 4.7 9.5 8.2 5.3 --

4. UK 7.2 5.6 14.0 8.2 7.6 7.4 3.3 --

5. USA 6.9 4.3 7.2 6.3 -- 4.3 3.6 --

-- = Not available.

Source: John C. Carrington and George T. Edwards Financing IndustrialInvestment, The Macmillan Press, 1979.

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Table 7: HISTORICAL INCREMENTAL CAPITAL OUTPUT RATIOSIN DEVELOPED COUNTRIES /a

ICOR

1. UK 6.32. Germany 6.13. Italy 5.7

4. Denmark 4.45. Norway 7.36. Sweden 5.5

7. USA 6.58. Canada 5.69. Australia 6.9

10. Japan 4.311. Argentina 7.612. Union of South Africa 4.9

/a Based on a varying number of years from the late19th to the mid 20th century.

Source: Simon Kuznets "Quantitative Aspects of theEconomic Growth of Nations" in Economic Devel-opment and Cultural Change, Vol. IX, No. 4,Part II, July 1961.

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Table 8: THE RATIO OF GROSS DOMESTIC INVESTMENT TO GDP, 1967-78

Three-Year Moving Averages /a

(Percentages)

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978

Group I1. Burundi 7.8 8.3 7.5 7.3 5.5 5.8 6.2 7.8 9.1 10.2 12.7 14.0

2. Malawi 16.7 17.1 21.6 22.8 25.1 23.8 25.4 26.7 24.3 23.6 26.2 31.5

3. Rwanda 8.8 7.7 7.7 8.1 9.3 10.5 11.2 12.8 13.7 15.9 21.9 24.0

4. Tanzania 18.6 18.7 20.6 23.9 26.3 25.9 24.5 24.2 23.9 22.8 22.2 22.3

5. Lesotho 11.2 11.4 11.5 12.2 12.9 15.9 17.0 24.0 30.8 37.5 40.2 39.0

6. Sudan 10.8 10.3 10.5 10.1 9.1 8.6 11.9 15.7 18.9 17.9 17.3 16.5

7. Kenya 21.4 21.7 23.3 24.9 25.9 24.5 26.4 25.1 25.3 23.5 28.0 28.9

8. Swaziland 25.2 22.7 20.3 19.8 20.7 22.8 24.6 27.7 31.2 33.3 34.0 --

9. Botswana 23.0 28.1 34.4 41.2 47.5 50.0 52.3 51.2 49.0 41.8 39.4 --UL

Median 16.7 17.1 20.3 19.8 20.7 22.8 24.5 24.2 24.3 23.5 26.2 24.0

Group II10. Ethiopia 15.1 14.8 13.8 13.0 12.9 12.9 12.2 11.5 10.9 10.6 9.6 9.4

11. Somalia 13.3 13.7 13.6 13.6 14.0 15.1 21.2 23.0 24.5 22.1 21.4 20.8

12. Zaire 17.7 20.8 22.9 27.3 30.8 32.1 31.2 30.3 28.8 30.8 26.0 21.0

13. Madagascar 14.7 15.9 16.3 16.7 15.7 15.3 14.2 13.8 13.3 12.9 13.3 16.4

14. Uganda 16.2 17.6 16.9 17.1 14.8 12.9 11.1 9.8 8.9 6.6 5.3 4.7

15. Zimbabwe 22.6 23.4 22.7 22.0 22.7 24.1 26.4 29.2 28.1 25.6 21.5 20.0

16. Zambia 32.7 28.9 27.4 28.3 - 33.6 33.9 33.7 35.4 36.5 35.8 32.3 26.5

Median 16.2 17.6 16.9 17.1 15.7 15.3 21.2 23.0 24.5 22.1 21.4 16.4

Eastern Africa median 16.5 17.9 18.6 18.5 18.2 19.4 22.9 24.1 24.4 23.2 22.1 20.9

-- = Not available.

/a Average of share of investment in current prices. For Ethiopia from 1971 onwards and for Burundi

from 1977, only fixed investment data are available.

Source: Data Files,World Bank.

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Table 9: INDEX OF REAL GROSS FIXED CAPITAL FORMATION BY THE CENTRAL GOVERNMENT /a

(1972 = 100)

1972 1973 1974 1975 1976 1977 1978 1979

Group II. Burundi -- -- -- -- -- -- -- --2. Malawi 100.0 128.7 183.6 264.8 186.7 242.4 253.6 341.2

3. Rwanda /b -- 100.0 133.0 279.9 571.1 571.9 154.5 --4. Tanzania 100.0 85.6 120.2 136.7 150.2 162.2 175.9 --

5. Lesotho 100.0 86.5 169.9 -- -- -- -- --

6. Sudan 100.0 78.4 111.3 215.1 236.1 411.4 300.3 --7. Kenya 100.0 96.0 81.3 82.0 91.4 108.3 119.7 126.28. Swaziland 100.0 243.0 171.9 185.1 185.1 261.1 -- --9. Botswana 100.0 140.8 164.2 155.7 190.5 239.8 308.0 315.2

Group II

10. Ethiopia 100.0 82.6 59.7 71.4 102.1 127.9 -- --

11. Somalia -- -- -- -- -- -- -- --

12. Zaire 100.0 203.8 273.1 113.0 233.4 217.8 194.1 --

13. Madagascar 100.0 69.3 -- -- -- -- -- --

14. Uganda -- -- -- -- -- -- -- --

15. Zimbabwe -- __ __-- -- -- -- _ 16. Zambia 100.0 - 34.1 63.1 -- -- 60.3 48.2 --

-- = Not available.

/a Gross fixed capital formation deflated by the unit value index of manufacturedexports of developed countries (MUV Index) from U.N. Monthly Bulletin ofStatistics.

/b 1973 = 100 instead of 1972.

Source: 1. IMF (1981) Government Finance Statistics Yearbook.2. U.N. Monthly Bulletin of Statistics.

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Table 10: THE RATIO OF GROSS NATIONAL SAVINGS TO GDP

Three-Year Moving Averages, 1967-78

(Percentages)

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978

Group I1. Burundi - 1.4 - 1.2 -0.8 -0.6 - 2.1 - 2.2 - 1.4 2.2 3.4 6.6 5.9 5.32. Malawi 0.6 1.3 4.9 8.0 10.9 11.9 14.7 14.8 12.6 12.0 14.9 16.43. Rwanda 2.6 2.1 1.9 1.4 0.9 1.4 2.2 3.3 4.6 7.7 10.9 12.34. Tanzania 17.0 17.2 17.7 18.6 19.0 17.6 14.4 11.4 12.7 14.2 14.2 10.55. Lesotho -10.3 - 8.7 -6.4 -6.9 -13.1 -10.2 -12.4 -6.9 -14.6 -14.1 -9.4 -2.96. Sudan 7.8 7.9 9.1 9.2 8.2 6.6 6.1 4.3 3.5 2.1 2.2 1.57. Kenya 17.7 17.8 19.3 19.0 18.8 16.5 17.5 15.0 16.2 18.4 20.7 19.48. Swaziland 12.0 5.7 3.5 8.9 15.5 21.1 25.5 33.4 42.8 44.9 32.3 --

9. Botswana -11.5 -12.1 -8.4 -0.7 6.4 11.2 20.3 25.9 30.6 25.1 21.0 --

Median 2.6 2.1 3.5 8.0 8.2 11.2 14.4 11.4 12.6 12.0 14.2 10.5

Group II10. Ethiopia 11.9 12.0 11.7 11.0 10.8 11.4 12.6 11.2 9.8 7.4 5.9 4.011. Somalia 4.5 4.8 6.1 6.1 7.8. 9.0 8.9 7.1 6.8 9.1 8.1 6.412. Zaire 16.2 20.7 21.8 21.1 18.8 18.0 17.7 15.2 8.5 2.7 2.3 4.913. Madagascar 6.9 8.9 9.8 9.6 8.8 8.1 8.0 7.8 8.4 8.9 9.6 9.014. Uganda 15.1 17.0 17.4 15.6 13.9 12.2 12.1 9.4 8.2 6.8 5.7 4.615. Zimbabwe 19.7 20.9 20.7 20.6 21.0 22.6 25.2 26.2 25.7 24.2 22.1 19.316. Zambia 36.0 38.9 41.0 38.1 31.8 30.6 34.3 29.5 27.1 23.2 25.9 22.8

Median 15.1 17.0 17.4 15.6 13.9 12.2 12.6 11.2 8.5 8.9 8.1 6.4

Eastern Africa median 9.9 8.4 9.5 9.4 10.9 11.7 11.7 11.3 9.2 9.0 10.3 7.7 x

-- = Not available.

Source: Data Files, World Bank.

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Table 11: TERMS OF TRADE ESTIMATES, 1967 TO 1978

Three-Year Moving Averages

1975 = 100 /a

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978

Group Ii. Burundi -- -- -- -- -- -- -- -- -- -- -- --

2. Malawi 87 83 89 98 106 106 101 98 97 101 102 993. Rwanda 114 108 113 116 118 115 115 110 120 156 182 1824. Tanzania 98 96 99 99 100 101 106 107 111 120 127 122

5. Lesotho -- -- -- -- -- -- -- -- -- -- -- --

6. Sudan 77 76 79 82 83 94 94 99 101 100 95 907. Kenya 115 108 112 113 119 119 115 109 109 130 146 1438. Swaziland -- __ __ __ __ __ __ __ __ __ __ __

9. Botswana -- -- -- -- -- -- -- -- 4- -- -- --

Median 98 96 99 99 106 106 106 107 109 120 127 122

Group II

10. Ethiopia 131 128 136 136 138 133 128 116 122 155 175 171

11. Somalia 138 134 133 135 136 132 123 110 102 102 105 104

12. Zaire 164 175 190 183 160 149 151 140 121 107 103 97

13. Madagascar 112 111 113 117 121 123 118 110 106 119 124 122

14. Uganda 117 117 122 125 126 121 112 106 112 152 168 168

15. Zimbabwe -- -- -- -- -- -- -- -- -- -- -- --

16. Zambia 183 197 217 204 172 160 169 157 130 102 96 93

Median 135 131 135 136 137 133 126 113 117 113 115 113

Eastern Africa median 115 111 113 117 121 121 115 110 111 119 124 122 x

-- = Not available.

/a The index for the year 1975 rather than the three-year moving average for that year was equal to 100.

Source: UN (1980) UNCTAD Handbook of International Trade and Development Statistics.

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Table 12: GROSS NATIONAL SAVINGS AS A PERCENTAGE OF GROSS NATIONAL INVESTMENT

Three-Year Moving Averages, 1967-78

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978

Group I1. Burundi -17.9 -14.5 -10.7 - 8.2 - 38.2 -37.9 -22.6 28.2 37.4 64.7 46.5 37.92. Malawi 3.6 7.6 22.7 35.1 43.4 50.0 57.9 55.4 51.9 50.8 56.9 52.13. Rwanda 29.5 27.3 24.7 17.3 9.7 13.3 19.6 25.8 33.6 48.4 49.8 51.34. Tanzania 91.4 92.0 85.9 77.8 72.2 68.0 58.8 47.1 53.1 62.3 64.0 47.15. Lesotho -92.0 -76.3 -55.7 -56.6 -101.6 -64.2 -72.9 -28.8 -47.4 -37.6 -23.4 -7.46. Sudan 72.2 76.7 86.7 91.1 90.1 76.7 51.3 27.4 18.5 11.7 12.7 9.17. Kenya 82.7 82.0 82.8 76.3 72.6 67.3 66.3 59.8 64.0 78.3 73.9 67.18. Swaziland 47.6 25.1 17.2 44.9 74.9 92.5 104.9 120.6 137.2 134.8 95.0 --9. Botswana -50.0 -43.1 -24.4 - 1.7 13.5 22.4 38.8 50.6 62.4 60.0 53.3 --

Median 29.5 25.1 22.7 35.1 43.4 50.0 51.3 47.1 51.9 60.0 53.3 47.1Group II10. Ethiopia 78.8 81.1 84.8 84.6 83.7 88.4 103.3 97.4 89.9 69.8 61.5 42.611. Somalia 33.8 35.0 44.9 44.9 55.7 59.6 42.0 30.9 27.8 41.2 37.9 30.812. Zaire 91.5 99.5 95.2 77.3 61.0 56.1 56.7 50.2 29.5 8.8 8.8 23.313. Madagascar 46.9 56.0 60.1 57.5 56.1 52.9 56.3 56.5 63.2 69.0 72.2 54.914. Uganda 93.2 96.6 103.0 91.2 93.9 94.6 109.0 95.9 92.1 103.0 107.5 97.915. Zimbabwe 87.2 89.3 91.2 93.6 92.5 93.8 95.5 89.7 91.5 94.5 102.8 96.516. Zambia 110.1 134.6 149.6 134.6 94.6 90.3 101.8 83.3 74.2 64.8 80.2 86.0

Median 87.2 89.3 91.2 84.6 83.7 88.4 95.5 83.3 74.2 69.0 72.2 54.9Eastern Africa median 59.9 66.4 71.5 66.9 66.6 63.5 57.3 53.0 57.8 63.5 59.2 49.2

-- = Not available.

3ource: Data Files, World Bank.

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Table 13: NET OFFICIAL DEVELOPMENT ASSISTANCEAS A PERCENTAGE OF EXTERNAL RESOURCES INFLOW /a

Average1976 1977 1978 1979 1977-79

Group I

1. Burundi 100.0 89.4 99.1 100.7 96.42. Malawi 78.7 83.0 80.8 76.3 80.03. Rwanda 98.4 100.4 101.2 99.7 100.44. Tanzania 79.3 80.9 82.1 79.9 81.95. Lesotho 100.0 99.2 96.5 102.4 99.46. Sudan 57.9 54.6 63.5 87.2 68.47. Kenya 39.8 32.1 60.6 77.2 56.68. Swaziland 74.4 77.4 88.6 66.7 77.69. Botswana 83.4 112.9 392.0 70.4 191.8

Median 79.3 83.0 88.6 79.9 81.9

Group II

10. Ethiopia 102.6 108.0 106.8 78.9 97.911. Somalia 88.9 71.1 91.8 70.3 77.712. Zaire 39.6 51.0 45.1 55.5 50.513. Madagascar 102.4 113.1 76.7 57.0 82.314. Uganda 50.1 73.3 -- 104.3 88.815. Zimbabwe 21.4 446.7 161.4 145.3 251.116. Zambia 46.9 64.5 58.5 84.1 69.0

Median 50.1 73.3 84.3 78.9 82.3

Eastern Africa median 79.0 82.0 88.6 79.4 82.1

-- = Not available.

/a Net Official Development Assistance refers to disbursements ofconcessional loans or grants. External Resource Flows include,in addition, private grants, transactions on commercialterms, direct investment and purchases of securities of inter-national development organizations. All defense related trans-actions are excluded.

Source: OECD (1980) Development Co-operation, 1980 Review.

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ANNEX

Table 14: DIRECT INVESTMENT AS A PROPORTION OF LONG-TERM CAPITAL INFLOWS /a

(Percentages)

Average1974 1975 1976 1977 1978 1979 1977-79

Group I1. Burundi -- -- -- -- -- -- --2. Malawi 32.6 15.1 20.7 7.4 10.9 11.2 9.83. Rwanda 23.4 17.5 25.2 16.0 18.5 55.4 30.04. Tanzania 0.0 0.0 0.0 0.0 0.0 0.0 0.05. Lesotho - -- -- -- -- --

6. Sudan 0.0 0.0 0.0 0.0 0.0 0.0 0.07. Kenya -- 10.1 19.4 26.3 13.9 14.0 18.18. Swaziland -60.0 6.3 36.7 59.8 44.4 74.7 59.69. Botswana /b -- -54.3 236.6 -54.8 78.1 122.3 48.5

Group II10. Ethiopia 56.7 27.7 6.5 16.0 0.0 0.0 5.311. Somalia 1.2 12.9 3.2 12.1 0.3 -- 6.212. Zaire -- -- -- -- -- -- --13. Madagascar 57.1 13.6 15.4 -16.7 -25.0 -2.9 -14.914. Uganda 12.2 35.4 -7.2 - 6.9 - 2.5 -4.8 - 4.715. Zimbabwe -- -- -- -- -- --

.16. Zambia 50.8 10.2 25.0 88.2 -- -- --

__ e Not available.

/a Both direct investment and long-term capital inflow are from the IMFsource listed below. OECD estimates of direct investment are differ-ent.

/b The entries for Botswana, Lesotho and Swaziland cover imputed pay-ments to South Africa under the Customs Union Agreement. In someyears Botswana is a net creditor.

Source: Balance of Payments Yearbook, Vol 31, December 1980, IMF.

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ANNEX

Table 15: NET PRIVATE DIRECT INVESTMENT FROM DAC SOURCES /a

(In US$ millions) /b

1976 1977 1978 1979

Group I1. Burundi -0.6 ( --) -0.3 ( --) 0.9 ( --) -0.3 ( --)2. Malawi 5.3 ( 9.7) 0.2 ( 5.7) -7.9 (10.1) -- ( 13.7)3. Rwanda 0.1 ( 5.9) 0.1 ( 5.2) -0.7 ( 4.9) 0.4 ( 12.9)4. Tanzania 6.5 ( 0.0) 2.9 ( 0.0) 6.2 ( 0.0) 2.0 ( 0.0)5. Lesotho -- ( --) 0.4 ( --) -- ( --) -- ( --)6. Sudan 5.9 ( 0.0) 4.8 ( 0.0) 4.1 ( 0.0) -4.7 ( 0.0)7. Kenya 20.5 (75.4) 6.1 (75.0) -0.6 (63.7) 1.4 ( 17.2)8. Swaziland 2.0 ( 4.6) 1.7 (12.2) 0.3 (16.1) 1.3 ( 62.3)9. Botswana 3.2 (11.3) 0.3 (12.5) -0.3 (42.1) -- (154.2)

Group II10. Ethiopia 0.2 ( 4.3) -1.2 ( 5.9) -- ( 0.0) -- ( 0.0)11. Somalia 1.3 ( 2.2) 56.6 ( 8.1) -0.1 ( 0.3) -- ( --)12. Zaire 245.2 ( --) 16.4 ( --) 93.8 ( --) 143.9 ( --)13. Madagascar -0.4 ( 2.3) -5.5 (-3.5) 0.6 (-3.8) -0.6 ( -6.5)14. Uganda 2.2 ( 1.2) -- ( 0.8) 0.1 ( 1.0) -- ( 1.5)15. Zimbabwe 27.5 ( --) -1.7 t --) -0.6 ( --) -0.9 ( --)16. Zambia 26.7 (31.1) 2.8 (17.7) 25.9 ( --) 0.8 ( --)

-- = Not available.

/a The figures in parentheses are from the IMF. They also refer to all direct in-vestment. Both sets of data include reinvestments by non-resident entities.Portfolio investment and export credits are excluded. The Development AssistanceCommittee (DAC) forms part of the Organization for Economic Co-operation andDevelopment (OECD).

lb The IMF figures are in SDRs in the source publication. They have been con-verted to dollars at the period average exchange rates.

Source: 1. OECD (1981) Geographical Distribution of Financial Flows to Develop-ing Countries.

2. IMF (1980) Balance of Payments Yearbook.

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Table 16: THE STOCK OF FOREIGN DIRECT INVESTMENTIN EASTERN AFRICA, END 1978 /a

(In US$ million)

Stock

Group I1. Burundi 262. Malawi 1003. Rwanda 254. Tanzania 1705. Lesotho 46. Sudan 607. Kenya 5208. Swaziland 509. Botswana 57

Group II10. Ethiopia 10011. Somalia 10012. Zaire 1,25013. Madagascar 19014. Uganda 1015. Zimbabwe 40016. Zambia 330

/a Stock figures represent estimated bookvalues. The data refer only to DAC countries'investments in Eastern Africa, and excludeSouth African investments.

Source: OECD (1980) Development Co-operation1980 Review.

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ANNEX

Table 17: GROSS EUROCURRENCY CREDITS TO EASTERN AFRICA /a

(US$ million)

1973 1974 1975 1976 1977 1978 1979

Group I1. Burundi -- -- -- -- -- -- --2. Malawi 5.3 - - - 50.0 - 50.03. Rwanda -- -- -- -- -- -- --

4. Tanzania - - - - - 12.05. Lesotho - - - - - - 10.06. Sudan 3.4 220.0 36.8 19.0 - 9.5 -7. Kenya 4.5 - - - - - 212.08. Swaziland - - - - - 28.0 -9. Botswana - - - - - 45.0 -

Group II10. Ethiopia - - - - - - 14.011. Somalia -- -- -- -- -- -- --12. Zaire 223.0 71.3 27.0 - - - -13. Madagascar - - - - 3.0 29.6 26.314. Uganda -- -- -- -- -- -- --15. Zimbabwe -- -- -- -- -- -- --

16. Zambia 150.0 - 160.0 - - - 12.8

-- = Not available.

- = Nil or negligible.

/a Eurocurrency credits are credits with a maturity of more than oneyear made by private banks using funds deposited or borrowed bythem in external currencies.

Source: World Bank, Borrowing in International Capital Markets.

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ANNEX

Table 18: CAPACITY.UTILIZATION IN SELECTED SECTORS IN TANZANIA, 1978 and 1979

Industry Production as a pe-rcentage of capacity1978 1979

Sugar 39 39Distilled spirits and liquors 102 89Tobacco manufacturing 92 94

Spinning and weaving 64 63Madeup textiles 49 66Footwear 68 56

Fertilizers and pesticides 42 52Plastic 46 24Glass 23 15

Cement, lime, plaster 80 88Iron, steel and metals 55 62Structural metal products 47 47

Fabricated metal products 42 37Electrical machinery 74 66Motor vehicles 42 33Motorcycles and bicycles 30 12

Source: Data Files, The World Bank

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Table 19: CAPACITY UTILIZATION IN A SAMPLEOF PARASTATAL FIRMS IN TANZANIA, 1979

Productionas a percentage of

Parastatal capacity

1. Tanzania Fertilizer Co. 522. Steel Rolling Mills 623. ALUCO (Aluminum Sheets) 45

4. PIPECO (Pipes) 715. ALAF Steel Cast 546. GALCO (Iron Sheets) 74

7. ALAF Steel Co. 258. National Bicycle Co. 259. Ubungo Farm Implements 67

10. Tanzania Gables 3911. Tanzania Breweries 8912. Tanzania Cigarette Co. 94

13. Tanzania Shoe Co. 5614. Legy Plastics 3415. Metal Box Co. 2716. Friendship Textile Mill 82

Soiurce: nsta wiles, The World Rpnk

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ANNEX

Table 20: CAPACITY UTILIZATION IN A SAMPLEOF PUBLIC ENTERPRISES, 1976-78, SOMALIA

Production as a percentage of capacityParastatal 1976 1977 1978

1. ITOP Fruit Cannery 36 29 222. Mogadishu Meat Factory 51 53 463. Kismayo Meat Factory 61 37 --

4. Flour and Pasta Factory 58 64 615. INCAs Box Factory 36 27 256. SOMALTEX -- 65 75

Source: Data Files, The World Bank

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ANNEX

Table 21: CAPACITY UTILIZATION IN CERTAIN MANUFACTURINGFIRMS IN SUDAN, 1973

(Percentages)

Percent ofFirm and/or Department Product capacity utilized

1. Sudan Knitwear Knitwear 67

2. Khartoum Tannery Leather(i) Beam House

Cow hides 92Sheep skins 38

(ii) Chrome SectionCow hides 52

(iii) Finish SectionDa side leather 57Vegetable process 100Pickles process 100

3. Sudan Soap Factory Oils & oilproducts 46

4. Blue Nile Plastic Co. Plastics(i) Plastic crates 67

(ii) Polyethelene filters 51(iii) Printing 67

5. Karima Canning Factory Foodcanning 15

6. The Flour Mill Corp. Flour 80

7. Coldair Engineering Co. Electricalappliances

(i) Refrigerators 54(ii) Water coolers 18

(iii) Air conditioners 16(iv) Commercial refrigerators 8(v) Air coolers 20

8. Bata Corp. Shoes 42

9. Blue Nile Brewery Beer 99

10. Guneid Sugar Sugar 70

11. Girba Sugar Sugar 118

Source: Public Corporations in Sudan, 1977, bvernment of Sudan.

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Table 22: CAPACITY UTILIZATION IN THE PUBLICINDUSTRIAL SECTOR IN SUDAN, 1975/76

Total numberBelow 35% 35 to 65% Above 65% of firms

Food 6 1 2 9

Sugar and beverages 0 1 2 3

Oil mills 1 2 1 4

Leather 1 3 0 4

Mining 1 1 0 2

Building materials 1 2 0 3

Spinning and weaving 0 2 0 2

10 12 5 27

Source: Public Corporations in Sudan, 1977, Qbvernment of Sudan.

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ANNEX

Table 23: FREQUENCY DISTRIBUTION OF CAPACITY UTILIZATIONIN PLANTS/PROCESSES OF THE INDECO GROUP, ZAMBIA,

1981-82

Number ofPercent of plants/ Percentage 1/

capacity utilized processes of total Industries-

0 to 10 percent 5 9 Oils and fats, car assembly, batteries,engineering.

10 to 30 percent 12 21 Tires, jute, glass, engineering, batteries,fertilizer, canning, detergents, woodproducts, tiles.

30 to 50 percent 8 14 Milling, glass, cooking oil, coffee, sawmilling.

50 to 70 percent 20 35 Cement, stone, pharmaceuticals, polyprope-lene, explosives, engineering, beer,milling, bakery, sugar, gases, wood.

70 to 90 percent 9 16 Lime, explosives, spinning, milling, bakery,beer, sugar.

Above 90 percent 3 5 Textile weaving, explosives.

Total 57

1/ There may be overlaps because different processes or plants in an industry havedifferent percentages of capacity utilized.

Source: INDECO Group Financial Review, 1981-82, mimeo.

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Table 24: QUANTUM INDEX OF IMPORTS, 1967 TO 1978

Three-Year Moving Averages

1975 = 100

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978

Group I1. Burundi -- 65 70 76 84 86 84 92 100- 113 122 139

2. Malawi 67 64 69 77 87 92 92 98 100 101 105 1513. Rwanda 49 51 57 63 68 62 62 77 100 116 134 1464. Tanzania 75 74 82 92 102 104 105 105 100 94 101 1015. Lesotho /a -- 28 28 29 37 48 64 81 100 114 121 1236. Sudan 54 57 65 69 71 69 72 88 100 108 106 947. Kenya 89 90 98 111 119 120 114 108 100 100 115 1168. Swaziland /a -- 81 86 90 88 87 88 93 100 110 124 --

9. Botswana /a- 36 44 48 55 65 78 87 100 106 116 --

Median -- 64 69 76 84 86 84 92 100 108 116

Group II10. Ethiopia 114 111 117 116 116 111 103 98 100 104 117 119

11. Somalia 60 64 66 70 76 89 95 100 100 112 121 130

12. Zaire 71 78 98 111 125 126 128 112 100 80 64 50

13. Madagascar 113 122 127 133 130 123 107 103 100 101 101 113

14. Uganda 176 176 178 201 188 169 128 113 100 90 98 92

15. Zimbabwe /b -- 82 89 96 105 109 109 109 100 89 75 7516. Zambia 102 109 112 115 119 112 103 103 100 91 73 64

Median 108 109 112 115 119 112 107 103 100 91 98 92

Eastern Africa Median _ 76 84 91 95 98 99 99 100 103 111 -i

/a Data for these countries are from Data Files, EPD.

/b Data for Zimbabwe is derived from IFM (1981) International Financial Statistics Yearbook.

Source: UN (1980) UNCTAD Handbook of International Trade and Development Statistics.

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Table 25: PETROLEUM IMPORTS INTO EASTERN AFRICA

(In '000 barrels per day of oil equivalent)

Three-Year Moving Averages

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977

Group I1. Burundi 0.57 0.6 0.6 0.5 0.4 0.4 0.47 0.47 0.5 0.47 0.52. Malawi 1.7 1.8 2.0 2.2 2.4 2.6 2.6 2.7 2.8 2.8 2.83. Rwanda 0.3 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.6 0.7 0.84. Tanzania 18.1 21.2 22.7 25.1 27.6 32.6 34.8 31.2 26.0 20.2 20.25. Lesotho -- -- -- -- -- -- -- -- -- -- --6. Sudan -- -- -- -- -- -- -- -- -- -- --7. Kenya 41.6 43.4 45.5 48.9 51.9 54.9 57.3 58.4 56.7 53.9 52.7 c8. Swaziland -- -- -- -- -- -- -- -- -- -- --9. Botswana -- -- -- -- -- -- -- -- -- --

Median 1.7 1.8 2.0 2.2 2.4 2.6 2.6 2.7 2.8 2.8 2.8

Group II10U7EtiTopia 8.8 10.4 12.1 12.4 13.2 13.9 13.8 13.3 12.5 12.0 12.411. Somalia 1.2 1.2 1.2 1.3 1.4 1.4 1.5 2.1 2.7 3.8 4.512. Zaire -- -- -- -- -- -- -- -- -- -- --13. Madagascar 7.2 8.6 10.2 11.2 12.2 12.7 12.9 13.8 13.2 12.9 11.514. Uganda 5.5 6.4 7.7 8.8 9.2 8.9 8.4 8.0 7.7 7.9 7.915. Zimbabwe 8.4 9.4 9.7 10.1 10.5 10.9 11.1 11.1 11.4 11.8 12.316. Zambia 5.9 7.5 8.1 8.7 9.2 12.4 15.0 19.8 20.0 20.5 18.5

Median 6.6 8.1 8.9 9.5 9.9 11.7 12.0 12.2 12.0 11.9 11.9 t

Eastern Africa Median 5.9 7.5 8.1 8.8 9.2 10.9 11.1 11.1 11.4 11.8 11.5

-- = Not available.

Source: Data Files, The World Bank.

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ANNEX

Table 26: PUBLIC CURRENT EXPENDITURE PER PUPILIN CONSTANT PRICES AT THE FIRST LEVEL (AGES 7 TO 13) /a

Currencyunit 1970 1975

1. Botswana Pula 28.1 34.72. Ethiopia Birr 42.3 43.63. Kenya Shilling 163.0 216.44. Lesotho Rand 0.73 0.465. Madagascar Franc 9022.0 5613.06. Malawi Kwacha 11.0 6.57. Uganda Shilling 141.3 81.48. Zambia Kwacha 28.2 35.6

/a Both teaching and non-teaching expenditures are in-cluded. The GDP deflator has been used to deflateexpenditures at current prices.

Sources: 1. UNESCO (1980) Statistical Yearbook.

2. Data Files, The World Bank.

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Table 27: SHARE OF PUBLIC INVESTMENT (INCLUDING PARASTATAL INVESTMENT) IN TOTAL (THREE-YEAR MOVING AVERAGES)

(Percentages)

Average d/1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1977-79

Group I1. Burundi 64.1 66.0 66.4 64.8 65.3 69.7 75.4 80.1 84.6 87.5 90.4 -- -- 90.42. Malawi 52.1 50.1 54.0 57.3 59.9 58.3 60.3 61.7 61.3 61.4 61.5 62.8 62.3 62.23. Rwanda -- -- 47.8 51.9 54.2 -- -- -- -- -- -- -- -- --4. Tanzania 47.7 51.6 55.5 62.5 69.3 70.7 69.9 66.7 59.9 52.8 46.8 45.8 -- 46.35. Lesotho -- -- -- -- -- -- ---- -- -- -- -- -- --6. Sudan /a -- -- -- 28.2 26.4 28.5 34.2 36.3 42.9 41.6 42.0 -- -- 42.07. Kenya -- -- -- -- -- -- 42.2 -- -- 44.7 44.78. Swaziland -- -- -- -- -- -- -- -- -- -- -- -- -- --9. Botswana /b -- -- -- -- -- -- -- -- -- -- 56.5 58.2 60.7 58.5

Group II10. Ethiopia -- -- -- -- -- -- -- -- -- 47.7 56.7 62.6 68.0 62.411. Somalia -- -- -- -- -- -- -- -- -- -- -- -- --12. Zaire -- -- -- -- -- -- -- -- -- -- -- -- -- __13. Madagascar -- -- -- -- -- 39.6 -- -- -- -- -- -- -- --14. Uganda 18.1 21.5 27.2 34.0 37.5 -- -- -- -- -- -- -- -- --15. Zimbabwe -- -- -- 29.0 -- -- -- 33.0 -- -- -- 40.0 -- 40.016. Zambia -- -- -- -- -- -- -- -- -- -- -- -- 93.0/c 93.0

-- = Not available

/a Estimates of the Bank of Sudan. The Ministry of Planning has alternative estimates.

/b The estimates for Botswana refer to the percentage of total investment financed by public funds (domesticand foreign).

/c Figure for 1980.

/d Where data for some of the period is missing, the average relates to years for which data is available.

Note: This table has been compiled from a variety of national sources. Concepts are not comparable betweencountries and coverage may not be comprehensive or accurate. Total investment refers in almost all casesto the monetized or formal sector.

Source: Data Files, The World Bank.

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ANNEX

Table 28: INDEX OF REAL RECURRENT EXPENDITURE ON ECONOMICSERVICES IN FOUR EASTERN AFRICAN COUNTRIES

1970 1971 1972 1973 1974 1975 1976 1977 1978 1979

Kenya 100 113 111 114 118 147La 153 134 171 181

Sudan 100 110 122 118 164 155 158 139 130 111

Tanzania 100 104 115 154 186 -- la 291 265 342 --

Zambia 100 140 111 99 97 171 134 127 91 --

-- = Not available.

a/ Series broken in this year.

Note: The GDP deflator was used to convert series into constant prices.

Sources: Data Files, World Bank

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- 66 -ANNEX II

INTERRELATIONS BETWEEN THE ICOR, GROWTH RATE,INVESTMENT RATIO AND THE INVESTMENT RATE

The ICOR for the period i to ; is defined as the ratio of invest-

ment summed over the period i-1 to j-1 to output in period j minus output ir

period i.The ICOR, the rate of growth of output, the investment ratio and

the rate of investment in Eastern Africa are related to each other.

It is worthwhile examining some identities.

Let K = capital stock

Y = output

I = investment

and the operator indicate changes in each variable.

Then AK = ICOR

Also & = I I/. i

,Ay 'A!!Y = Y/ y ............ -- -- -... .......................... iY y

This identity states that

ICOR = investment ratio/growth rate of output

AlsoAK AK K

y

or taking logarithms

log ~K- = logi~K_ log +Y log K/ .Mi8AY = o-KlgS + lgKy ................................ (i

K

Or log (ICOR) = log (growth rate of capital) - log (growth rate of output)

+ log (average capital output ratio)!/.

Thus the ICOR is inversely related to the growth rates of output

and capital and directly related to the investment ratio. Kuznets (1960),

1/ See A.A. Walters (1966) and Kazuo Sato (1971) for analysis along similarlines.

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ANNEX II

Kuznets (1961), K. Sato (1971) and J. Vanek and A.H. Studenmund (1968)

among others have estimated these relations and also other behavioral ones.

Some of these exercises cannot be replicated for the Eastern Africa sample

since they involve a knowledge of the rate of depreciation of capital stock

and net investment magnitudes. Kuznets (op. cit.) found the gross ICOR to

be significantly related to the growth rate of output as well as per capita

income. The latter association may be due to the relation between sectoral

shares in output and income. As incomes rise, the economy generally shifts

towards a non-agricultural composition of output and ICORs in the non-agri-

cultural sectors are typically higher than in agriculture. There is, how-

ever, also capital deepening with development, so that at significantly

higher levels of income, the ICOR in all sectors may be higher. Sato also

found in some of his regressions that the share of exports in goods and

services is related positively to the ICOR. Export items generally require

more capital in production, processing and transport than goods intended

for domestic consumption, especially if they are minerals. Overall, how-

ever, Sato concluded that the relation between various behavioral variables

and the ICOR was weak in samples consisting exclusively of low income

countries.

In the case of the Eastern African countries we are more inter-

ested in why growth rates of output decreased and the ICOR rose between

periods rather than in an explanation of the ICOR at a point in time.

However cross section regressions do reveal some interesting patterns.

The inverse relation between the ICOR and growth rate, was, we

have seen valid for Eastern Africa on an intertemporal basis. Output

growth was lower in the 1973-79 sub-period relative to the 1967-73 one and

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- 68 -

ANNEX II

ICORs were on the average higher. The same relation holds cross section-

ally. The correlation coefficients between ICOR and the growth rate of

output were -0.35 and -0.82 in the two sub-periods respectively, both

significant on the basis of the 't' test at the 90 percent level of

significance.

The correlation coefficient between ICOR for the 1967-73 sub-

period and the investment ratio in 1973 was positive and equal to 0.61.

This was significantly different from zero at the 90 percent level. For

the sub-period 1973-79 however this coefficient was not significantly dif-

ferent from zero. This may have been due to the omission of several coun-

tries from the data set due to their ICORs taking negative values.-/

Besides the above relations, however, another statistical as-

sociation was noticed in the data for Eastern Africa. This was an inverse

association between the ICOR and the growth rate of investment. In the

1967-73 period this correlation was not significant, though close to it.

In the 1973-79 period, the correlation coefficient was -0.58 and signifi-

cant. This relation does not follow from an accounting identity. Evi-

dently in countries where the ICOR is high, the growth rate of investment

is low. This may indicate that the high ICORs characterizing the Eastern

African economies are not merely a transient phenomenon due to the lumpi-

ness of investment and gestation lags. If that was the case, it is more

likely that high ICOR levels would be associated positively with the rate

of growth of investment. However the evidence is too limited to draw any

strong conclusions.

1/ A negative ICOR is inadmissible in statistical manipulations as the lowerthe ICOR the more productive is investment, yet a negative ICOR is anextreme example of inefficiency of investment.

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- 69 -ANNEX II

The contribution of each sector to the change in overall ICOR can

be identified according to the following breakdown given in "Capital

and Growth in India, 1950-71" by Martin Wolf in World Bank Staff Working

Paper No. 279. The symbols are from the original.

Let I = aggregate ICOR

I = ICOR in sector i

Ci = Share of sector i in the increment in output IAYiAtYJ

Then the change in ICOR or Al is given by

Al=EAI Ci +EACT Ii+EACiAI I/i ii i ii i i

Now the second term on the R.HS. is

EACiI + ECi (I - I)

But EACiI IEACi and

ZAC = 0 as the incremental shares in output of the sectors

must cancel each other out and sum to zero.

Then AI = EAIiCi + EACi (Ii - I) + EACi i

Al C + AC (I - I) + AC AI gives the i sectors contribution to the overallii i i i i

ICOR change. The first term gives the contribution of the ith sectoral ICOR.

The second term measures the contribution of the sectoral output increase.-t

The last is a cross product term. The details of the exercise for Tanzania

and Kenya are summarised below. The change in the ICOR from 1967-73 to

1973-79 was analysed as follows:

1/ The last term is of the second order of smallness, but its inclusion isrequired as A is a finite rather than an infinitesimal operator.

2/ This contribution is positive or negative depending on whether the ithsectoral ICOR is higher or lower than the overall ICOR.

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- 70 - ANNEX 11

(1) (2) (3) (4) (5) (6) (7)

PercentageSum of distribution

Country and sector Is &jCj aCiAIi ACj(I-I) 3, 4 & 5 of column 6

KenyaAgriculture 1.7 0.204 0.1990 0.0710 -0.1120 0.1580 3.6Industry 2.4 0.330 1.4560 -0.0180 0.0030 1.4410 32.7Services 4.5 0.465 3.3950 -0.5020 -0.0860 2.8070 63.7

TanzaniaAgriculture 1.5 0.250 -0.1900 -0.1290 -0.5600 -0.870 1/Industry 10.0 0.190 10.2600 -8.6400 -0.8300 0.790 1/Services 4.4 0.560 0.0056 -0.0001 -0.0004 0.0059 1/

1/ Agriculture accounted for the entire decrease of 0.07 in the overall ICOR.

Source: Data Files, World Bank

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- 71 -

ANNEX III

Limitations of National Account Data in Eastern Africa

I. General

In this Annex a number of issues relating to data on the Eastern

African countries are discussed. An appreciation of these issues will help

in evaluating the quantitative information presented in this paper as well

as aid the reader in interpreting data from standard sources on Africa.

It is generally acknowledged that economic data for Africa are poor.

It may be well worth supplementing usual national accounts and macro data

for this region by data generated in response to special surveys over whose

design and organization the researcher has greater control. Specifically,

farm management surveys, special sample surveys, small industry survey, etc.,

spring to mind. The veracity of the data from these sources should compen-

sate for their lack of economy-wide coverage. Currently there is a paucity

of such information and reliance has to be placed on national accounts sources

which are often estimates based on limited evidence. Some improvements have

been effected but if the goal is to obtain reliable information for research and

policy design, then a much heavier emphasis on data upgrading is required.

Currently, published African data seem to suffer from the following

drawbacks.

(a) Many estimates are derived from a few verifiable indi-

cators. For instance overall investment is sometimes derived from

imports of capital goods. Price indices may be obtained from the

prices of a handful of commodities in the capital city using very

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- 72 -

ANNEX III

outdated weights. Import or export statistics may omit any ad-

justment for smuggling when this is recognized to be a major

phenomenon. Consequently though a mass of statistics may be avail-

able in the standard UN format, there is no guarantee that this

information represents the real world or is comparable across

countries. In the shakiest of cases the information simply does

not accord with qualitative evidence or the experience of observers

on the scene.

(b) The presence of overvalued exchange rates, multiple

exchange rate practices and unreliable price indices makes constant

price comparisons as well as cross country comparisons in terms of,

say, United States dollars dubious. Trend analysis fares better than

any comparison of absolute magnitudes.

(c) Data are often volatile from year to year to an extent

which casts doubt on their reliability. The procedure adopted in this

paper has been to take three year averages centered around the re-

porting year whenever possible in order to minimize this effect.-/

Data are also reported at short intervals so as not to miss

cycles. We have tried not to draw any inference unless data

for several years confirmed an event.

1/ If the period to be analyzed was very short then this procedure has notbeen followed. Use of a moving average results in the omission of anumber of years at the end palats and Ie "et practic&l for short series.

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- 73 -

ANNEX III

II. Country Specific Notes

While national accounts data for most African countries suffer

from deficiencies, the series for Sudan, Tanzania and Somalia are even more

suspect than others. In the case of Sudan the national authorities claim

that the series for the seventies and the sixties are not comparable. They

have also stopped releasing national income estimates in constant prices.

In the case of Tanzania, the national accounts estimate of a growth rate

of 8.8 percent per annum for subsistence production in the seventies is

considered implausible. The aggregate growth estimates in this paper as-

sume that the subsistence sector has only grown at a rate of 4.3 percent

per annum. For Somalia, while World Bank data files show a growth rate of

7.4 percent per annum in the 1973-78 Deriod. lntpr information esti-

mates the growth rate to have been only about 2.5 percent between 1972 and

1978. There are no official national accounts and virtually no primary

data base, but the economy appears to be in general stagnation.

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- 74 -

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World Bank Aggregate Demand and Capital Market Imperfec-Macroeconomic Imbalances tions and Economic

Publications In Thailand: Simulations Developmentof Related with the SIAM 1 Model Vinayak V. Bhatt and

of Related Wafik Grais Alan R. RoeInterest Focuses on the demand-side adjust- World Bank Staff Working Paper

ments of the Thai economy to lower No. 338. July 1979. 87 pagesagricultural growth and to higher (including footnotes).energy prices. Discusses policymeasures and structural changes that Stock No. WP-0338. $3.00.might enable the economy to over-come these problems and continue tomaintain high GDP rates of growth. The Changing Nature ofWorld Bank Staff Working Paper No. Export Finance and ItsWord ankStff oringPaer o. Implications for Developing448. April 1981. 70 pages (including Countries2 appendLxes). onre2 appendixes). ~Albert C. Cizausk~asStock No. WP-0448. $3.00.

World Bank Staff Working Paper No.409. July 1980. 43 pages (including

An Analysis of 3 annexes).Developing Country Stock No. WP-0409. S3.00.

Adjustment Experience and Adjustment Experiences inGrowth Prospects of the the 1970s: Low-income AsiaSemi-Industrial Countries Christine Wallich Compounding and Dis-Frederick Jaspersen This background study for World counting Tables forThis background study for World Development Report 1981 examines Project EvaluationDevelopment Report 1981 examines low-income South Asia's adjustment J. Price Gittinger, editorthe successful process of adjustment to the extemal shocks of the 1970s, Easily comprehensible, convenientto extemal 'shocks" of the 1970s especially those factors that helped tables for project preparation and(rising prices of oil imports, reduced make the effects of these external analysis.demand for exports, slower economic developments less severe in thegrowth in the OECD countries) in the region than in other parts of the The Johns Hopkins University Press,semi-industrial developing countries. developing world. 1973; 7th printing, 1982. 143 pages.Presents an analytical framework for World Bank Staff Working Paper No. LC 75-186503. ISBN 0-8018-1604-1.quantifying the effects of demand 487. August 1981. iv + 39 pages $6.00 paperback.management and structural adjust- (including references).ment in forty-two countries, with par- Arabic: WorldBank 1973. (Auailableticular reference to Uruguay, Brazil, Stock No. WP-0487. $3.00. from ILS 1715 Connecticut Avenue,Republic of Korea, and Turkey. N.W., Washington, D.C. 20009, U.S.A.)

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II

I

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HG 3881.5 .W57 W67 NO.562C.3

GULHATI, RAVI.

CAPITAL ACCUMULATION INEASTERN AND SOUTHERN AFRICA

-7~~~~~~~~~~~~~~~~~~N

DATE NAME AND EXTENSION ROOMNUMBER

1~ F JeePIeLkYQJuly 2 -O

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