Input-Output Analysis in the Environmental-Economic Accounting

© Federal Statistical Office Germany, Environmental-Economic Accounting 2009

Federal Statistical Office Germany

Input-Output Analysisin the Environmental-

Economic Accounting

Šárka Buyny

Project: Calculation of raw material equivalents



Results

Evaluation and improvementpotential

Calculation method



Results


Calculation method



Calculation method

input output analysis

life cycle analysis



Calculation method

input output analysis

life cycle analysis

- material flow tables- import coefficients- transport energy



1.Step: Material flow tables

Description of the first production processes,in physical units (tons)

material flow tables

ore metalsemi-

finishedproducts



2.Step: Input-output-analysis

RME for semi-finished and finished products (incl. services)

MFTallocation of

MFT-productsto the branches

input-output-analysis



3.Step: Import coefficients for special products

Raw material inputs (direct and indirect) of products, which are:

- not produced in Germany- produced in Germany, but under different

conditions- not included in the MFTs



output Germany

material intensity

A

B

C

D

E

A

B

C

D

E

CC

imports

material intensity

output abroad

material intensity



copper in 1,000 tons year 2005

Agriculture

Mining

Construction

Electricity and water supply

Manufacture of products

Services

Total

1.149

1.149

DMI

103.385

103.385

DMI (RME)

507

105.756

254.274

291

237

840

352.905

DMI (RME)IOT

794

107.873

697.572

848

1.008

2.242

810.336

DMI (RME)IOT+MFT

794

105.059

730.356

848

1.008

2.242

840.308

DMI (RME)IOT+MFT

+LCA



Imports in RME

LCA51,4 %

IOT48,6 %

imports in RMEtotal

+ =



4.Step: Transport energy

Energy used for transport of imported (respectively exported) goods

transportmodel

distance

transported tons

type of transporttype of good

type of fossil fuel

other determinants



Imports in RMEin million tons

0

500

1000

1500

2000

2500

3000

2000 2001 2002 2003 2004 2005 2006 2007

pro

du

ctio

nin

RM

Etr

ansp

ort

in R

ME



Results


Calculation method



Imports in RMEin million tons

0

500

1000

1500

2000

2500

3000

2000 2001 2002 2003 2004 2005 2006 2007

direct imports

indirect imports



DMI in RME vs. "old" DMIin million tons

0

500

1000

1500

2000

2500

3000

3500

4000

2000 2001 2002 2003 2004 2005 2006 2007

"old" DMI

DMI in RME



DMI - by raw material groups2005, in %

fossil fuels ores construction minerals industrial minerals biotic raw materials

"old" DMI DMI in RME

32 %

7 %

35 %

21 %

5 %

23 %

42 %

18 %

12 %

4 %



DMI - by raw material groups2005, in millionen tons

0

500

1000

1500

2000

2500

3000

3500


"old" DMI DMI in RME

526

113

582

339

89

903

1659

715

482

149



DMC in RME vs. "old" DMCin million tons

0

500

1000

1500

2000

2500

3000

3500

4000

2000 2001 2002 2003 2004 2005 2006 2007

"old" DMC

DMC in RME



DMC and DMI - by raw material groups2005, in million tons

0

500

1000

1500

2000

2500

3000

3500


DMI in RME

511

431

531

31675

903

1659

715

482

149

DMC in RME



Trade balance, imports and exports - in RMEin million tons

0

500

1000

1500

2000

2500

3000

3500

4000

2000 2001 2002 2003 2004 2005 2006 2007

imports

exports

tradebalance

-

=



Imports - by product groups 2005, in million tons

0 500 1000 1500 2000 2500 3000

total

services

machinery, cars

metal, metal products

glass

wood and paper

food products, textiles

abiotic raw material

agriculture products

million real tons

million RME-tons



Imports of cars in RME2005, in million tons

0

10

20

30

40


LCA + IOT method

10,1

27,9

4,4

0,1

10,5

24,2

3,9

LCA method

42,440,3 0,6

1,0



Results


Calculation method



Evaluation and improvement potentials (1) Hybrid approach

German input-output-tables

Constant import coefficients for a whole time series

Aggregation problem of some raw material groups

Consideration of the production conditions of import countries (energy mix, import coefficients)



Capital formation

Waste and crap (metal and wood)

Recycling of glass and plastic: not included

Evaluation and improvement potentials (2)



Thank you for your attention.

Documents

Input-Output Analysis in the Environmental-Economic Accounting