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Social inequality and voter turnout - evidence from EU
electionsDaniel Horn
TÁRKIGINI Year-One ConferenceFebruary 4-5. 2011. Milan
Inequality and turnout Daniel Horn 2
Introduction
• Why people vote?– Individual explanations
• rational choice (Downs 1957, Tulock 1967, Riker and Ordershook 1968, Muller 2003)
• social capital (Putnam 2000), social status (Lijphart 1997)• civic resources (Verba, Schlotzman, Brady 1995)
– Macro explanations (see e.g. Geys 2006)• socio economic (population size, - stability, - concentration, -
homogenity)• political variables (closeness, campaign spendings, fragmentation)• institutional variables (electoral system, compulsory voting,
concurrent elections, registration requirements)
But how does inequality associate with voter turnout? Does higher inequality drive more people to cast a vote? Or does it hinder this form of political participation?
Inequality and turnout Daniel Horn 3
Additional motivation
• The link between inequality and redistribution is thought to be well established (Meltzer and Richard 1981).– lower income people prefer more redistribution– higher turnout is likely to be driven by higher turnout
of lower income people, who demand more redistribution (the median voter is moving to the „left”)
– thus the association between inequality and redistibution is mediated by voter turnout (see Lacrinese 2007)
So the association between inequality and voter turnout is interesting as a part of the governmental redistribution topic as well.
Inequality and turnout Daniel Horn 4
Possible explanations
• Three possible ways of asociation bw/ inequality and voter turnout– negative – positive– none (less interesting)
Inequality and turnout Daniel Horn 5
Possible explanations - negative
• Changing political agenda (Solt 2010, Schattschneider 1960)– rich are better able to set the political agenda. When social
inequality is high, this „advantage” is higher, hence voter turnout of the poor is lower
• Social norms (Lister 2007)– institutions (such as the welfare state) influence social norms,
and hence individual behavior. In more equal societies (c.f. universalist welfare states) we should observe higher levels of political participation
• Reverse causation – class bias (Muller and Stratmann 2003, but see the logic of Meltzer and Richard 1981)– Upper classes (rich) participate more (Lijphart 1997). Lower
voter turnout benefits upper classes, which leads to socially unjust policies and thus social inequality.
Inequality and turnout Daniel Horn 6
Possible explanations - positive
• Heterogeneity increases voter turnout (Zimmer 1976)– If the government performs redistributive actions, homogeneous
groups with high political power can gain much (many homogeneous groups = heterogeneous society)
• Or alternatively:– If social tensions are high, relatively homogeneous groups of
people (poor, elderly, students… etc.) are easier to mobilize (citation needed!)
– „societies with deep divisions between social groups that are linked to specific parties are more likely to see high turnout than societies in which the decline of cleavage politics has reduced the importance of these links” (Franklin et al., 1992, citation from van der Eijk et al 1996).
Inequality and turnout Daniel Horn 7
Empirical evidence so far:
Solt (2010): US Gubernatorial Elections
– Individual dataset (~240 thousand, in 6 elections 1978-2000)
– post-tax Gini as income inequality
All negative! Increasing inequality associates with decreasing voter turnout.
Lister (2007) – Comparative Welfare States dataset: Macro data for 15 countries, 1963-1993.
Mueller and Stratmann (2003) – Macro level data for 76 countries, 1960-1990.
Inequality and turnout Daniel Horn 8
Data• 5 European elections (European Election Survey 1989-2009 – PIREDEU
database)• Disadvantage: „second-order election” (Reif and Schmitt 1980)
– turnout is lower than in national parliamentary elections, affected by• the closeness of the next parliamentary election• complusory voting• and other „endogeneous” factors, like pro-European feeelings
– and continuously falling (1979: 63%, 1989: 58,5%, 1999: 49,4%, 2009: 43%)
but– it seems that „voters go to the polls because of a desire for political influence.
Moreover there is no evidence of different processes at work in different countries.” (Franklin, van der Ejik and Oppenhuis 1996, p. 330)
– and „The second-order election model implies that it is more likely that national elections will effect European elections than vice-versa, but in reality we find influences running in both directions.” (van der Eijk et al. 1996)
• Advantage:– similar everywhere (smaller institutional effects)
• must be PR system (~UK)• can only be subdivided to regions if this does not affect the PR nature• maximum 5% threshold
– taken at the same time– no unexpected effects (e.g. early elections)
Inequality and turnout Daniel Horn 9
Data (individual level)
• European Election Study– phone interviews– after elections– approx. 150.000 individuals in 5 years (~3000
people/country until 1994; ~1000 in 1999, 2004 – 2009 is in preparation)
– questions about participation and individual background (no income) – and much more
(controls: age, sex, education, class, settlement, church, voted last parl. elect.)
Inequality and turnout Daniel Horn 10
Data (country level)• National data
– Next election in days/365 (wikipedia)– Compulsory voting (IDEA, www.idea.int)– GDP/capita (Eurostat 1995-2004) and Nationmaster (WDI
database - 1989)– Nationality – consider herself belong to other nationality (EES
2009)– Inequality
• (post-tax) Gini for each year (Eurostat - SILC)• pre-tax Gini (Social Situation Observatory Annual Montioring Report
2009)– Gini indices of the distribution of equivalent household market income
among the working age 2004
• MDMI (Lancee - v. d. Werfhorts 2011)• poverty - Population at risk of poverty or social exclusion 2005
(Eurostat) (Bulgaria 2006, Romania 2007)
Inequality and turnout Daniel Horn 11
Voter turnout - EES
EES study Mean Std. Dev. Freq.1989 0,74 0,44 105031994 0,72 0,45 123571999 0,70 0,46 129802004 0,60 0,49 267902009 0,71 0,45 26908Total 0,68 0,47 89538
No weights
EES study Mean Std. Dev. Freq. Obs.1989 0,58 0,49 13278 105031994 0,56 0,50 15794 123571999 0,54 0,50 16823 129802004 0,43 0,50 37418 26790Total 0,50 0,50 83313 62630
With weights
Inequality and turnout Daniel Horn 12
Own calculationsDescriptive
AT
CY
CZ
DK
EE
ESFI
FR
GR
HU
IE
IT
LU
LV
NL
PL
PT
SE
SISK
UK
.2.4
.6.8
1tu
rnou
t
20 25 30 35 40Gini
year=2004
Inequality and turnout Daniel Horn 13
Own calculationsLowess smoothing
.4.5
.6.7
.8
20 25 30 35 40Gini
real voting probability of votingfixed effects
Inequality and turnout Daniel Horn 14
Methods
• Pooled logit with clustered standard errors• two 2-step probits
– fixed effect:• 1st step: individual controls and country fixed marginal
effects • 2nd step: country controls and inequality indicators
– separate country regressions• 1st step: individual controls for each country and probabilities
are predicted (for 42 year old middle class women, who live in mid-size settlement, with 12 years of education, and voted in parl. elections.)
• 2nd step: country controls and inequality indicators
• Multilevel mixed effect logit (no weighting)
Inequality and turnout Daniel Horn 15
Base model
All variables here are included in each regression below.
ORs (se)age 1.021** (0.00173)female 0.897** (0.0261)educ==up to 14 years 0.927 (0.0981)educ==15 years 0.783** (0.0558)educ==16 years 0.886+ (0.0642)educ==17 years 0.873* (0.0588)educ==19 years 0.910 (0.0714)educ==20 years 1.070 (0.0790)educ==21 years 1.089 (0.0796)educ==22 years and more 1.402** (0.121)educ==still studying 1.353** (0.141)go to church 1.552** (0.101)settlement, rural area/village 1.116** (0.0462)settlement, large town 1.077 (0.0521)Working class 0.866** (0.0419)Upper class 1.063 (0.0647)1989 2.138** (0.576)1994 1.869** (0.428)2004 1.054 (0.238)Voted in parl. elections 4.182** (0.456)Compulsory voting 2.611** (0.577)distance from the next national elections, years 0.771** (0.0569)% of other nationalitis 1.009 (0.00805)Constant 0.0860** (0.0264)Observations 55,423Robust clustered se in parentheses** p<0.01, * p<0.05, + p<0.1
Country level variables
Inequality and turnout Daniel Horn 16
Pooled logit
vote vote vote votegdp 1.007* 1.006* 1.008** 1.008**
(0.00306) (0.00267) (0.00230) (0.00216)gini 1.088** 1.796** 1.082** 1.369
(0.0261) (0.390) (0.0192) (0.281)gini^2 0.992* 0.996
(0.00359) (0.00345)Constant 0.00431** 3.80e-06** 0.00713** 0.000257**
(0.00394) (1.23e-05) (0.00480) (0.000747)
Observations 55,423 55,423 55,148 55,148
Pooled logitWeighted Non-weighted (plus2009)
Robust clustered se in parentheses** p<0.01, * p<0.05, + p<0.1
Inequality and turnout Daniel Horn 17
Pooled logit – other indicatorsODDS RATIOS (1) (2) (3) (4) (9) (10) (7) (8)
Gini 1.088** 1.796**(0.0261) (0.390)
Gini^2 0.992*(0.00359)
pre-tax Gini 1.089** 0.852(0.0361) (0.594)
pre-tax Gini^2 1.003(0.00817)
MDMI 1.039** 1.258**(0.0103) (0.0888)
MDMI^2 0.998**(0.000742)
Poverty 1.059* 1.246**(0.0239) (0.0748)
Poverty^2 0.997**(0.000927)
Constant 0.00431** 3.80e-06** 0.000886** 0.143 0.00801** 0.000116** 0.0116** 0.00124**(0.00394) (1.23e-05) (0.00151) (2.129) (0.00568) (0.000191) (0.0112) (0.00147)
Observations 55,423 55,423 41,862 41,862 55,423 55,423 55,423 55,423Robust clustered se in parentheses** p<0.01, * p<0.05, + p<0.1
Inequality and turnout Daniel Horn 19
ATAT
BEBEBE
CY
CZ
DKDKDK DK
EE
FI FI
FRFRFRFR
DEDE
GRGRGRGR
HU
IEIEIEIE
ITITIT
LV
LULULU
NLNLNL
PTPTPT PT
SK
SI
ESESESES
SE SE
UKUKUK UK
.2.4
.6.8
1F
ixe
d-e
ffect
s
20 25 30 35 40Gini
Inequality and turnout Daniel Horn 20
AT
AT
CZ
DK
FI
FI
FR
FR
HU
IE
IE
LVLT
NL NL PL
PT
PT
SKSI
ES
ES
SE
SE UK
UK
.2.4
.6.8
pre
dic
ted
pro
bab
ility
20 25 30 35 40Gini
separate country regressions
Inequality and turnout Daniel Horn 22
Social norms• universal welfare state -> more equal and higher
turnout
DKDKDK DK DK
FI FI FINLNLNL NLNL
SE SE SE
.2.4
.6.8
1fix
ed-
effe
cts
20 25 30 35 40Gini
Inequality and turnout Daniel Horn 23
.2.4
.6.8
1C
ount
ry fi
xed
effe
cts
(by
cla
ss)
20 25 30 35 40Gini
Working classMiddle class
Upper class
fractional-polynomial prediction
Changing political agenda /Class biasIf inequality increases rich are more likely to vote than the poor
Inequality and turnout Daniel Horn 24
Conclusion
• „conventional” results for the base model (compulsory voting, voted last election… etc.)– so results for european „second-order” elections work as first-
order elections• but unconvetional results for the inequality dimesion:
– Inequality and voter turnout associates positivelyor
in a quadratic relation– Negative association is less likely to hold
• Social norms theory does not explain low levels of turnout for universal welfare states (e.g. Sweden, Finland, Denmark, Netherlands)
• Political agenda/ Class bias theories does not explain coparatively higher rising levels of turnout for the working class
– Theories of positive association are yet to be confirmed
Inequality and turnout Daniel Horn 25
Questions
• Whether it is due to– the quality of the data– the „second-order” nature of the EU elections– the fact that aggregate data works differently
than individual (ecological fallacy)– the fact that US inequality is higher (cf. Solt
2010) and very low inequality and very high inequality both predicts low turnout compared to the middle
are all open to further research.
Inequality and turnout Daniel Horn 27
AUSTRIABELGIUM
CYPRUS
CZECH REPUBLIC
DENMARK
ESTONIA
FINLANDFRANCE
GREECE
HUNGARY
IRELAND
ITALY
LATVIALITHUANIA
LUXEMBOURG
NETHERLANDS
POLAND
PORTUGAL
SLOVAKIA
SLOVENIA
SPAIN
SWEDEN UK
50
100
150
200
250
GD
Pp
c a
s %
of E
U2
7
20 25 30 35 40Gini
year=2004
Inequality and turnout Daniel Horn 28
Note: ----------- X=Y line
AUSTRIA
BELGIUM
CYPRUS
CZECH REPUBLIC
DENMARK
ESTONIA
FINLAND FRANCE
HUNGARY
IRELAND
LITHUANIA
LUXEMBOURGNETHERLANDS
POLAND
SLOVAKIASLOVENIA
SWEDEN
UK
20
30
40
50
60
pre
-tax
Gin
i
20 25 30 35 40(post-tax) Gini
year=2004
Inequality and turnout Daniel Horn 29
AUSTRIA
BELGIUM
CYPRUS
CZECH REPUBLIC
DENMARK
ESTONIA
FINLANDFRANCE
GREECE
HUNGARY
IRELANDITALY
LATVIA
LITHUANIA
LUXEMBOURGNETHERLANDS
POLAND
PORTUGAL
SLOVAKIA
SLOVENIA
SPAIN
SWEDEN
UK
10
20
30
40
50
pov
ert
y
20 25 30 35 40(post-tax) Gini
year=2004
Inequality and turnout Daniel Horn 30
AUSTRIA
BELGIUM
CYPRUS
CZECH REPUBLIC
DENMARK
ESTONIA
FINLAND FRANCE
GREECE
HUNGARY
IRELAND
ITALY
LATVIA
LITHUANIA
LUXEMBOURG
NETHERLANDS
POLAND
PORTUGAL
SLOVAKIA
SLOVENIA
SPAIN
SWEDEN
UK
30
40
50
60
70
80
MD
MI
20 25 30 35 40(post-tax) Gini
year=2004
Inequality and turnout Daniel Horn 31
ODDS RATIOS (1) (2) (3) (4) (5) (6) (7) (8)
Gini 1.022* 1.095(0.00815) (0.0842)
Gini^2 0.999(0.00130)
pre-tax Gini 1.025+ 0.888(0.0137) (0.183)
pre-tax Gini^2 1.002(0.00249)
MDMI 1.010** 1.051+(0.00327) (0.0277)
MDMI^2 1.000(0.000268)
Poverty 1.020* 1.077**(0.00773) (0.0207)
Poverty^2 0.999**(0.000331)
Constant 0.806 0.307 0.516 9.712 0.986 0.401 0.949 0.456*(0.213) (0.338) (0.308) (41.46) (0.164) (0.252) (0.232) (0.141)
year fixed effects y y y y y y y yObservations 55 55 39 39 55 55 55 55R-squared 0.654 0.663 0.674 0.684 0.703 0.729 0.656 0.738Robust clustered se in parentheses** p<0.01, * p<0.05, + p<0.1
Dependent variable: Country fixed effects (Weighted GLS)
Country fixed effects
Inequality and turnout Daniel Horn 32
Separate country regressions
ODDS RATIOS (1) (2) (3) (4) (5) (6) (7) (8)
Gini 1.021* 1.076(0.00718) (0.0849)
Gini^2 0.999(0.00129)
pre-tax Gini 1.019 1.441*(0.0135) (0.199)
pre-tax Gini^2 0.996*(0.00150)
MDMI 1.009** 1.020(0.00208) (0.0149)
MDMI^2 1.000(0.000139)
Poverty 1.009 1.058*(0.00890) (0.0252)
Poverty^2 0.999+(0.000370)
Constant 0.723 0.350 0.515 0.000276* 0.815 0.637 0.995 0.519(0.193) (0.421) (0.339) (0.000863) (0.130) (0.250) (0.433) (0.236)
year fixed effects y y y y y y y yObservations 26 26 21 21 26 26 26 26R-squared 0.470 0.480 0.402 0.588 0.582 0.590 0.274 0.446Robust seeform in parentheses** p<0.01, * p<0.05, + p<0.1
Inequality and turnout Daniel Horn 33
Multilevel logitODDS RATIOS 1 2 3 4 5 6 7 8
Gini 1.107** 1.094(0.0124) (0.0871)
Gini^2 1.000(0.00132)
pre-tax Gini 0.999 1.593(0.0351) (0.772)
pre-tax Gini^2 0.995(0.00551)
MDMI 1.002 1.096(0.0130) (0.111)
MDMI^2 0.999(0.000984)
Poverty 0.979+ 0.962(0.0117) (0.0593)
Poverty^2 1.000(0.000870)
Constant 0.00688** 0.00819** 0.0614+ 2.84e-06 0.120** 0.0148+ 0.276** 0.353(0.00289) (0.00994) (0.0941) (2.97e-05) (0.0771) (0.0360) (0.117) (0.340)
year fixed effectsObservations 55,148 55,148 39,349 39,349 53,245 53,245 55,148 55,148R-squared 27 27 19 19 24 24 27 27se in parentheses** p<0.01, * p<0.05, + p<0.1
Inequality and turnout Daniel Horn 34
Changing political agenda /Class bias
• If inequality increases rich are more likely to vote than the poor
ODDS RATIOS (1) (2) (3) (4) (5) (6)
Compulsory vote 1.261** 1.235* 1.241* 1.223* 1.188* 1.184*(0.0914) (0.0923) (0.0977) (0.102) (0.0862) (0.0877)
Time until next election 0.973 0.969+ 0.974 0.971 0.971 0.971(0.0171) (0.0165) (0.0178) (0.0172) (0.0169) (0.0169)
% of other nationality 0.997 0.995 0.997 0.996 0.999 0.999(0.00373) (0.00336) (0.00423) (0.00410) (0.00416) (0.00414)
GDP/capita in % of EU27 1.002* 1.002* 1.002* 1.002* 1.001 1.001(0.000616) (0.000574) (0.000682) (0.000662) (0.000610) (0.000624)
Gini 1.024** 1.121 1.022* 1.091 1.008 1.025(0.00817) (0.0795) (0.00882) (0.0925) (0.00714) (0.0750)
Gini^2 0.998 0.999 1.000(0.00120) (0.00143) (0.00125)
Constant 0.733 0.207 0.768 0.308 1.362 1.079(0.194) (0.210) (0.217) (0.373) (0.346) (1.110)
year fixed effectsObservations 55 55 55 55 55 55R-squared 0.697 0.712 0.634 0.642 0.476 0.477Robust seeform in parentheses** p<0.01, * p<0.05, + p<0.1
Dependent variable: Country fixed effects (Weighted GLS)
Lower class Middle class Upper class