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South-South migration and elections: evidence from post-apartheid South Africa

INFORMAZIONI SU QUESTO ARTICOLO

Cita

Figure 1

Immigration in South Africa.
Immigration in South Africa.

Figure 2

Immigrants’ origin countries.
Immigrants’ origin countries.

Figure 3

Spatial distribution of immigrants (2011 census data).
Spatial distribution of immigrants (2011 census data).

Figure 4

Attitudes toward migrants.
Attitudes toward migrants.

Figure 5

Attitudes toward policy.
Attitudes toward policy.

Figure 6

Attitude toward migrants—3.
Attitude toward migrants—3.

Figure 7

National elections results.
National elections results.

Figure 8

ANC vote share (2014 election).
ANC vote share (2014 election).

Figure 9

DA vote share (2014 election).
DA vote share (2014 election).

Figure 10

ANC vote and immigration.
ANC vote and immigration.

Figure 11

DA vote and immigration.
DA vote and immigration.

Figure A1

Administrative territorial divisions of South Africa.Sources: Authors, GADM.
Administrative territorial divisions of South Africa.Sources: Authors, GADM.

Figure A2

Serial correlation in immigrant stocks.
Serial correlation in immigrant stocks.

Figure B1

Magisterial units and district boundaries.Sources: Authors, GADM.
Magisterial units and district boundaries.Sources: Authors, GADM.

Figure B2

Municipality and the 1996 district council boundaries.Sources: Authors, GADM.
Municipality and the 1996 district council boundaries.Sources: Authors, GADM.

Excluding immigration distribution tails

(1)(2)(3)(4)
Dependent variableANC vote shareDA vote share
Immigration–4.474*** (0.806)–4.889*** (1.386)3.476** (1.352)4.011*** (1.458)
Observations189189189189
Adjusted R20.3360.635
WeightedYesYesYesYes
CovariatesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLS
KP F-statistic12.1812.18

Main results—provincial elections

(1)(2)(3)(4)(5)(6)(7)(8)
Dependent variableANC vote shareDA vote share
Immigration–1.989*** (0.288)–2.204*** (0.514)–2.048*** (0.452)–2.985*** (0.967)1.936*** (0.580)2.573*** (0.883)1.289** (0.502)2.115** (0.958)
Urban population–0.538*** (0.167)–0.594*** (0.159)–0.264 (0.208)–0.214 (0.187)
Female population–2.409** (1.197)–2.012* (1.074)0.432 (0.928)0.0816 (0.975)
Unemployment rate0.493* (0.287)0.281 (0.302)0.364 (0.388)0.551 (0.415)
Internal migration0.183 (0.363)0.303 (0.399)0.191 (0.273)0.0856 (0.346)
Ethnic diversity (HHI)0.0474 (0.221)0.102 (0.223)0.785** (0.340)0.737** (0.330)
Electricity access0.178 (0.117)0.0451 (0.125)–0.265*** (0.0625)–0.147* (0.0888)
No schooling–0.164 (0.308)–0.338 (0.323)–0.492*** (0.163)–0.338** (0.166)
Observations210210210210210210210210
Adjusted R20.2910.3540.3700.526
WeightedYesYesYesYesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLSFDFD-2SLSFDFD-2SLS
KP F-statistic20.4014.1820.4014.18

Immigrant skill level

(1)(2)(3)(4)(5)(6)(7)(8)
Dependent variableANC vote shareDA vote share
Low-skill immigration–2.770*** (0.590)–5.420*** (2.044)1.285** (0.489)3.485* (1.859)
High-skill immigration–6.692*** (1.624)–7.733*** (2.292)4.840** (2.131)4.972** (2.124)
Observations210210210210210210210210
Adjusted R20.2990.3710.4510.575
EstimatorFDFD-2SLSFDFD-2SLSFDFD-2SLSFDFD-2SLS
CovariatesYesYesYesYesYesYesYesYes
WeightedYesYesYesYesYesYesYesYes
KP F-statistic10.0519.2310.0519.23

Racial background of immigrants

(1)(2)(3)(4)(5)(6)
Dependent variableANC vote shareDA vote share
Immigration—Whites−3.413 (6.390)0.111 (3.537)
Immigration—Blacks−2.006*** (0.455)1.028** (0.406)
Immigration—Others−19.44*** (2.872)16.84*** (3.807)
Observations210210210210210210
Adjusted R20.1580.3080.4500.4030.4650.741
CovariatesYesYesYesYesYesYes
WeightedYesYesYesYesYesYes
EstimatorFDFDFDFDFDFD

Channels—DA

(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)
Dependent variable: DA vote share
Immigration–0.02531.873*1.798–0.708–0.767–0.807–0.6142.1490.624**1.853***0.3451.210**
(0.239)(0.981)(1.135)(0.638)(0.612)(0.730)(0.429)(1.397)(0.254)(0.245)(0.343)(0.554)
x Urban population0.937*
(0.472)
x Female population0.974
(0.747)
x Internal migration–0.318
(0.384)
x Unemployment rate–2.710**
(1.335)
x Electricity access2.407*
(1.346)
x No schooling–1.152*
(0.652)
x Piped water access1.850**
(0.846)
x Ethnic diversity–0.548
(0.570)
x Black population–3.541***
(0.482)
x Colored population3.499***
(0.345)
x White population0.719**
(0.344)
x Asian population–0.145
(0.260)
Observations215215215215215215215215215215215215
Adjusted R20.5320.5210.4990.5600.5560.5420.5320.4990.8000.8080.5230.493
WeightedYesYesYesYesYesYesYesYesYesYesYesYes
CovariatesYesYesYesYesYesYesYesYesYesYesYesYes
EstimatorFDFDFDFDFDFDFDFDFDFDFDFD

Robustness to the exclusion of provinces

(1)(2)(3)(4)(5)(6)
SampleExcludes Western CapeExcludes GautengExcludes KwaZulu-Natal
Panel A: National elections
ANCANCANC
Immigration–1.733*** (0.366)–2.596*** (0.933)–2.958*** (0.778)–7.263*** (2.555)–1.057*** (0.229)–1.605*** (0.475)
Observations187187200200160160
Adjusted R20.3460.2230.809
DADADA
Immigration0.597*** (0.118)1.087*** (0.336)2.118 (1.313)6.131*** (1.519)0.877** (0.385)1.454* (0.825)
Observations187187200200160160
Adjusted R20.6060.4690.550
Panel B: Provincial elections
ANCANCANC
Immigration–1.804*** (0.377)–2.700*** (0.945)–2.968*** (0.784)–7.299*** (2.565)–1.125*** (0.242)–1.718*** (0.495)
Observations187187200200160160
Adjusted R20.3620.2240.800
DADADA
Immigration0.734*** (0.150)1.297*** (0.385)2.280 (1.393)6.743*** (1.521)1.056** (0.416)1.702* (0.881)
Observations187187200200160160
Adjusted R20.6490.4870.570
WeightedYesYesYesYesYesYes
CovariatesYesYesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLSFDFD-2SLS
KP F-statistic10.935.84618.32

Votes as a share of registered voters

(1)(2)(3)(4)
Dependent variableANC vote shareDA vote share
Immigration−1.321*** (0.380)−1.521** (0.689)0.868** (0.372)1.504** (0.719)
Observations210210210210
Adjusted R20.294.0.488.
WeightedYesYesYesYes
CovariatesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLS
KP F-statistic14.1814.18

IV based on the 1996 census

(1)(2)(3)(4)
ANC vote shareDA vote share
Panel A: National elections
Immigration−2.002*** (0.442)−2.942*** (1.040)1.123** (0.466)1.256** (0.582)
Observations215215215215
Adjusted R20.330.0.494.
Panel B: Provincial elections
Immigration−2.067*** (0.446)−2.965*** (1.018)1.288** (0.497)1.440** (0.622)
Observations215215215215
Adjusted R20.346.0.526.
WeightedYesYesYesYes
CovariatesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLS
KP F-statistic.15.17.15.17

District-level regressions

(1)(2)(3)(4)(5)(6)(7)(8)
Dependent variableANC vote shareDA vote share
Immigration–2.058*** (0.401)–2.061*** (0.504)–2.422*** (0.745)–3.254*** (1.248)1.887*** (0.673)2.298*** (0.830)1.475** (0.656)2.411** (1.092)
Urban population–0.842** (0.360)–0.925*** (0.336)–0.452 (0.326)–0.358 (0.302)
Female population–3.220 (3.290)–2.619 (2.938)–1.163 (2.486)–1.839 (2.330)
Unemployment rate0.528 (0.563)0.226 (0.615)0.859 (0.566)1.199** (0.568)
Internal migration0.735 (0.961)0.862 (0.869)0.105 (0.572)–0.0379 (0.627)
Ethnic diversity0.0183 (0.451)0.0709 (0.416)1.319*** (0.393)1.260*** (0.334)
Electricity access0.183 (0.307)0.0255 (0.329)–0.303 (0.185)–0.125 (0.213)
No schooling–0.259 (0.525)–0.428 (0.522)–0.507** (0.222)–0.317 (0.243)
Observations5151515151515151
Adjusted R20.2990.2970.3650.583
WeightedYesYesYesYesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLSFDFD-2SLSFDFD-2SLS
KP F-statistic20.0812.7620.0812.76

Main results—national elections

(1)(2)(3)(4)(5)(6)(7)(8)
Dependent variableANC vote shareDA vote share
Immigration–1.903*** (0.282)–2.097*** (0.504)–1.982*** (0.447)–2.898*** (0.965)1.698*** (0.545)2.260*** (0.815)1.126** (0.471)1.863** (0.898)
Urban population–0.538*** (0.168)–0.593*** (0.161)–0.247 (0.196)–0.203 (0.175)
Female population–2.479** (1.212)–2.091* (1.092)0.412 (0.889)0.0987 (0.936)
Unemployment rate0.483* (0.287)0.276 (0.305)0.361 (0.372)0.528 (0.400)
Internal migration0.148 (0.345)0.265 (0.383)0.204 (0.246)0.109 (0.313)
Ethnic diversity (HHI)0.0116 (0.217)0.0646 (0.218)0.768** (0.330)0.725** (0.320)
Electricity access0.161 (0.116)0.0311 (0.125)–0.226*** (0.0583)–0.121 (0.0840)
No schooling–0.197 (0.305)–0.367 (0.320)–0.422*** (0.156)–0.285* (0.161)
Observations210210210210210210210210
Adjusted R20.2730.3380.3340.493
WeightedYesYesYesYesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLSFDFD-2SLSFDFD-2SLS
KP F-statistic20.4014.1820.4014.18

Belief and opinion variable definitions

Variable nameDetailed questionBinary coding
Prohibit foreignersHow about people from other countries coming to South Afri- ca? Which one of the following do you think the government should do? 1 = Prohibit people entering from other countries, 2 = Place strict restrictions on the number of foreigners who can enter, 3 = Let people in as long as there are jobs available, 4 = Let anyone in who wants to enter, 9 = Do not knowVariable equal to 1 if respondent answer is option 1, and zero otherwise
Distrust foreignersHow much do you trust each of the following types of people: what about foreigners living here in South Africa? Trust foreigners living here in SAF. 0 = Not at all, 1 = Just a little, 2 = I trust them somewhat, 3 = I trust them a lot, 9 = Do not knowVariable equal to 1 if respondent answer is option 0 or option 1, and zero otherwise
Govt mismanages immigrationHow well or badly would you say the former Mbeki govern- ment was handling the following matters: Managing immigration. 1 = Very badly, 2 = Fairly badly, 3 = Fairly well, 4 = Very well, 9 = Do not know/Have not heard enoughVariable equal to 1 if respondent answer is option 1 or option 2, and zero otherwise
Would vote ANCIf a presidential election were held tomorrow, which party’s candidate would you vote for?Variable equal to 1 if respondent answer is ANC, and zero otherwise

East-West split

(1)(2)(3)(4)(5)(6)(7)(8)
Dependent variableANC vote shareDA vote share
EastWestEastWest
Immigration–1.950*** (0.427)–3.122*** (1.150)–1.505*** (0.379)–4.734*** (1.193)0.720*** (0.154)1.210*** (0.395)1.569 (1.607)6.710*** (1.918)
Observations12312387871231238787
Adjusted R20.4180.6820.7870.630
WeightedYesYesYesYesYesYesYesYes
CovariatesYesYesYesYesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLSFDFD-2SLSFDFD-2SLS
KP F-statistic8.87111.168.87111.16

1991 economic conditions

(1)(2)(3)(4)
ANC vote shareDA vote share
Panel A: National elections
Immigration−2.147*** (0.468)−2.819*** (0.932)1.226** (0.466)2.129** (0.949)
Observations210210210210
Adjusted R20.387.0.503.
Panel B: Provincial elections
Immigration−2.198*** (0.474)−2.897*** (0.937)1.386*** (0.498)2.407** (1.026)
Observations210210210210
Adjusted R20.395.0.534.
WeightedYesYesYesYes
CovariatesYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLS
KP F-statistic.21.06.21.06

First stage results

(1)(2)
Dependent variableImmigration
IV predicted immigration (1996 census)0.777*** (0.192)0.720*** (0.185)
Urban population−0.0265 (0.0435)
Female population−0.113 (0.211)
Unemployment rate−0.0590 (0.0650)
Internal migration0.170 (0.135)
Ethnic diversity (HHI)0.0573 (0.0353)
Electricity access−0.100*** (0.0260)
No schooling−0.0497 (0.0441)
Observations215215
Adjusted R20.5540.630
WeightedYesYes
EstimatorFDFD
F-statistic IV16.5416.16

Individual opinion survey—part 1

(1)(2)(3)(4)
Dependent variableProhibit foreignersDistrust foreignersGovt mismanages immigrationWould vote ANC
Foreign born (% pop)0.0105* (0.00604)0.00421 (0.00541)0.0143** (0.00608)-0.00902*** (0.00309)
Age-0.00637** (0.00319)–0.00373 (0.00284)0.00562 (0.00481)0.00754** (0.00329)
Age squared0.0000514 (0.0000388)0.0000469 (0.0000350)–0.0000522 (0.0000530)–0.000105*** (0.0000367)
Female–0.0232 (0.0200)–0.0178 (0.0134)–0.0288 (0.0214)–0.00442 (0.0154)
Language—English–0.103* (0.0597)0.0225 (0.0270)–0.0626 (0.0415)–0.131*** (0.0401)
Language—Afrikaan–0.0417 (0.0946)0.0269 (0.0336)0.0483 (0.0542)–0.269*** (0.0445)
Language—Xhosa–0.0848 (0.0707)0.0690* (0.0352)–0.0957** (0.0378)–0.183*** (0.0408)
Education—less than primary0.102*** (0.0358)–0.0139 (0.0270)–0.0646 (0.0416)0.0471 (0.0367)
Education—secondary completed0.0378 (0.0340)0.000322 (0.0252)–0.0387 (0.0375)–0.00819 (0.0272)
Education—tertiary–0.0571 (0.0432)–0.00792 (0.0332)0.0174 (0.0397)0.0172 (0.0342)
Employed–0.00424 (0.0303)–0.0246 (0.0209)–0.0124 (0.0307)0.00891 (0.0237)
Piped water in house0.0609* (0.0353)–0.0372 (0.0300)0.0758* (0.0452)–0.0971*** (0.0279)
Informal housing (%)0.000937** (0.000370)0.000198 (0.000511)0.000328 (0.000659)0.00152*** (0.000517)
Urban–0.0135 (0.0385)0.0139 (0.0285)0.00295 (0.0436)–0.0172 (0.0364)
Observations2,2792,2712,1642,331

Local election results

(1)(2)(3)(4)
Dependent variable: ANCvote share
Immigration−0.684** (0.279)−0.676 (0.542)−0.708** (0.281)−1.102** (0.536)
Urban population−0.371** (0.167)−0.370** (0.154)−0.350** (0.162)−0.376** (0.154)
Female population−1.074 (0.962)−1.077 (0.905)−0.842 (0.949)−0.683 (0.934)
Unemployment rate0.00826 (0.266)0.0101 (0.284)−0.0547 (0.266)−0.140 (0.265)
Internal migration0.145 (0.410)0.144 (0.378)0.107 (0.402)0.160 (0.400)
Ethnic diversity (HHI)0.140 (0.232)0.140 (0.220)0.208 (0.232)0.230 (0.233)
Electricity access0.0751 (0.0827)0.0763 (0.107)0.0925 (0.0834)0.0369 (0.101)
No schooling−0.445* (0.251)−0.443 (0.270)−0.401 (0.256)−0.475* (0.269)
Observations210210215215
Adjusted R20.258.0.288.
WeightedYesYesYesYes
EstimatorFDFD-2SLSFDFD-2SLS
IV1991census1996census
KP F-statistic.14.18.15.17

Heterogeneity analysis

(1)(2)
Dependent variableANC vote shareDA vote share
Immigration−4.980*** (1.646)1.736** (0.662)
x Urban population−0.670 (0.696)−0.283 (0.455)
x Female population−0.549 (0.353)−0.0525 (0.222)
x Internal migration0.0436 (0.497)−0.890*** (0.305)
x Unemployment rate−0.742 (1.107)0.194 (0.557)
x Electricity access−2.104** (1.036)−0.417 (0.627)
x No schooling0.559 (0.888)−1.142 (0.803)
x Piped water access1.578 (1.488)−0.608 (0.845)
x Ethnic diversity2.140** (0.827)0.336 (0.475)
x Black population0.226 (0.665)−3.876*** (0.573)
x White population−0.670* (0.345)−0.249 (0.259)
x Asian population1.072*** (0.221)−0.351** (0.172)
Observations215215
Adjusted R20.4280.838
WeightedYesYes
CovariatesYesYes
EstimatorFDFD

Turnout

(1)(2)(3)(4)(5)(6)(7)(8)
Dependent variable: Turnout
FDFD-2SLSFDFD-2SLS
Immigration–0.187 (0.176)0.175 (0.153)–0.353 (0.360)0.856** (0.392)–0.193 (0.179)0.173 (0.153)–0.976 (0.729)–0.125 (0.371)
Urban population–0.269* (0.135)–0.228* (0.137)–0.259* (0.134)–0.278** (0.127)
Female population–1.047* (0.623)–1.336** (0.651)–1.026* (0.608)–0.906 (0.580)
Unemployment rate0.186 (0.133)0.340*** (0.124)0.182 (0.126)0.117 (0.153)
Internal migration0.138 (0.208)0.0503 (0.243)0.148 (0.205)0.188 (0.197)
Ethnic diversity0.102 (0.108)0.0626 (0.106)0.0900 (0.103)0.107 (0.110)
Electricity access–0.161** (0.0615)–0.0636 (0.0662)–0.180*** (0.0596)–0.222*** (0.0823)
No schooling0.193 (0.124)0.319*** (0.121)0.182 (0.125)0.125 (0.128)
Observations210210210210215215215215
Adjusted R20.0050.4440.0050.481
WeightedYesYesYesYesYesYesYesYes
IV1991 census1996 census
KP F-statistic20.4014.1816.3415.17

Channels—ANC

(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)
Dependent variable: ANC vote share
Immigration–2.314***–2.612***–2.867**–1.984***–1.446**–1.843**–2.521***–4.235***–1.828***–2.310***–1.654***–2.521***
(0.552)(0.770)(1.167)(0.738)(0.570)(0.813)(0.785)(1.333)(0.398)(0.410)(0.522)(0.383)
x Urban population0.254
(0.378)
x Female population–0.792
(0.587)
x Internal migration0.408
(0.468)
x Unemployment rate0.0272
(0.925)
x Electricity access–0.708
(0.905)
x No schooling0.0948
(0.496)
x Piped water access0.553
(0.780)
x Ethnic diversity1.192*
(0.636)
x Black population1.233***
(0.409)
x Colored population–1.477***
(0.334)
x White population–0.322
(0.245)
x Asian population0.868***
(0.197)
Observations215215215215215215215215215215215215
Adjusted R20.3280.3390.3340.3260.3300.3270.3290.3480.3510.3630.3300.370
WeightedYesYesYesYesYesYesYesYesYesYesYesYes
CovariatesYesYesYesYesYesYesYesYesYesYesYesYes
EstimatorFDFDFDFDFDFDFDFDFDFDFDFD

Individual opinion survey—part 2

(5)(6)(7)(8)
Dependent variableGovt mismanages immigrationWould vote ANCGovt mismanages immigrationWould vote ANC
Prohibit foreigners0.0814*** (0.0265)–0.0400 (0.0455)
Distrust foreigners0.0762 (0.0476)–0.0561 (0.0393)
Age0.00687 (0.00484)0.00753** (0.00330)0.00628 (0.00481)0.00681** (0.00324)
Age squared–0.0000653 (0.0000530) –0.000105*** (0.0000374)–0.0000618 (0.0000534)–0.0000968*** (0.0000369)
Female–0.0287 (0.0223)–0.00880 (0.0154)–0.0245 (0.0213)–0.00703 (0.0160)
Language—English–0.0408 (0.0409)–0.155*** (0.0413)–0.0588 (0.0393)–0.131*** (0.0388)
Language—Afrikaan0.0636 (0.0534)–0.281*** (0.0450)0.0513 (0.0534)–0.268*** (0.0458)
Language—Xhosa–0.109*** (0.0408)–0.185*** (0.0431)–0.114*** (0.0397)–0.168*** (0.0416)
Education—less than primary–0.0551 (0.0414)0.0450 (0.0378)–0.0517 (0.0403)0.0400 (0.0387)
Education—secondary completed–0.0459 (0.0362)–0.0133 (0.0271)–0.0337 (0.0365)–0.0138 (0.0253)
Education—tertiary0.0279 (0.0398)0.00820 (0.0336)0.0198 (0.0388)0.0207 (0.0354)
Employed–0.00688 (0.0319)0.00780 (0.0266)–0.00466 (0.0331)–0.00238 (0.0261)
Piped water in house0.0762 (0.0477)–0.0973*** (0.0268)0.0847* (0.0481)–0.104*** (0.0278)
Informal housing (%)0.000393 (0.000702)0.00148*** (0.000521)0.000358 (0.000700)0.00162*** (0.000536)
Urban0.0350 (0.0510)–0.0452 (0.0361)0.0355 (0.0519)–0.0433 (0.0352)
Observations2,1242,2792,1142,271

Summary statistics

NMeanSDMinMax
Prohibit foreigners2,3470.2150.41101
Prohibit or place strict restrictions on foreigners2,3470.6570.47501
Distrust foreigners2,3390.8460.36101
Govt mismanages immigration2,2300.6890.46301
Would vote ANC2,4000.7050.45601
Foreign born (% population)2,4003.8933.3270.012725.41
Age2,37537.7914.211897
Age squared2,3751,6301,2443249,409
Female2,4000.5000.50001
Language—English2,4000.4560.49801
Language—Afrikaan2,4000.2320.42201
Language—Xhosa2,4000.1460.35301
Language—Zulu2,4000.1660.37201
Education—less than primary2,4000.1360.34301
Education—secondary completed2,4000.2850.45201
Education—tertiary2,4000.1740.37901
Employed2,3860.4970.50001
Piped water in house2,3670.5540.49701
Informal housing in the area (%)2,40014.1623.300100
Urban area2,4000.6570.47501