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

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

Open Access
|Sep 2020

Figures & Tables

Figure 1

Immigration in South Africa.

Figure 2

Immigrants’ origin countries.

Figure 3

Spatial distribution of immigrants (2011 census data).

Figure 4

Attitudes toward migrants.

Figure 5

Attitudes toward policy.

Figure 6

Attitude toward migrants—3.

Figure 7

National elections results.

Figure 8

ANC vote share (2014 election).

Figure 9

DA vote share (2014 election).

Figure 10

ANC vote and immigration.

Figure 11

DA vote and immigration.

Figure A1

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

Figure A2

Serial correlation in immigrant stocks.

Figure B1

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

Figure B2

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
Language: English
Published on: Sep 2, 2020
Published by: Sciendo
In partnership with: Paradigm Publishing Services
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© 2020 Biniam E. Bedasso, Pascal Jaupart, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 License.