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Table 6 Oaxaca-Blinder decomposition of income gaps

From: Are migrants discriminated against in Chinese urban labour markets?

   Urban residents Rural migrants Urban residents
   vs. rural migrants vs. urban migrants vs. urban migrants
A: W=1   coef. s.e. % coef. s.e. % coef. s.e. %
Total difference Difference 0.238 0.002   -0.488 0.006   -0.250 0.006  
  Explained 0.232 0.003 97 -0.255 0.005 52 -0.078 0.003 31
  Unexplained 0.006 0.003 3 -0.233 0.006 48 -0.172 0.005 69
Formal employment Difference 0.252 0.004   -0.604 0.008   -0.351 0.008  
  Explained 0.220 0.004 87 -0.351 0.008 58 -0.141 0.005 40
  Unexplained 0.033 0.005 13 -0.252 0.009 42 -0.210 0.007 60
Self employed Difference -0.096 0.007   -0.236 0.015   -0.333 0.015  
  Explained -0.096 0.006 100 -0.032 0.009 14 -0.110 0.007 33
  Unexplained 0.000 0.008 0 -0.204 0.016 86 -0.222 0.014 67
No contract Difference 0.153 0.004   -0.302 0.008   -0.149 0.008  
  Explained 0.212 0.004 139 -0.150 0.006 50 -0.003 0.006 2
  Unexplained -0.060 0.005 -39 -0.152 0.008 50 -0.146 0.007 98
Recent migrants Difference 0.267 0.003   -0.475 0.007   -0.208 0.007  
  Explained 0.257 0.003 96 -0.253 0.005 53 -0.060 0.004 29
  Unexplained 0.010 0.003 4 -0.222 0.007 47 -0.148 0.005 71
Non recent migrants Difference 0.160 0.004   -0.510 0.011   -0.350 0.011  
  Explained 0.163 0.003 102 -0.246 0.009 48 -0.120 0.006 34
  Unexplained -0.003 0.004 -2 -0.264 0.012 52 -0.230 0.009 66
B: W=0   coef. s.e. % coef. s.e. % coef. s.e. %
Total difference Difference 0.238 0.002   -0.488 0.006   -0.250 0.006  
  Explained 0.168 0.005 71 -0.317 0.007 65 -0.157 0.006 63
  Unexplained 0.070 0.005 29 -0.171 0.007 35 -0.094 0.006 37
Formal employment Difference 0.252 0.004   -0.604 0.008   -0.351 0.008  
  Explained 0.228 0.008 90 -0.414 0.010 69 -0.211 0.009 60
  Unexplained 0.025 0.008 10 -0.190 0.011 31 -0.140 0.009 40
Self employed Difference -0.096 0.007   -0.236 0.015   -0.333 0.015  
  Explained -0.059 0.006 62 -0.053 0.015 22 -0.141 0.010 42
  Unexplained -0.037 0.009 38 -0.184 0.019 78 -0.192 0.015 58
No contract Difference 0.153 0.004   -0.302 0.008   -0.149 0.008  
  Explained 0.111 0.007 73 -0.185 0.009 61 -0.102 0.009 69
  Unexplained 0.042 0.007 27 -0.117 0.010 39 -0.047 0.010 31
Recent migrants Difference 0.267 0.003   -0.475 0.007   -0.208 0.007  
  Explained 0.175 0.005 66 -0.324 0.008 68 -0.135 0.007 65
  Unexplained 0.092 0.006 34 -0.151 0.008 32 -0.073 0.007 35
Non recent migrants Difference 0.160 0.004   -0.510 0.011   -0.350 0.011  
  Explained 0.117 0.009 73 -0.289 0.012 57 -0.232 0.011 66
  Unexplained 0.044 0.010 27 -0.221 0.014 43 -0.118 0.012 34
  1. Notes: Results are based on the income regressions of Tables 5.
  2. Samples include those aged 16–60 years old and who are out of school.
  3. Observations with no or zero income declared were dropped.
  4. Results in panel A (W=1) are calculated based on the counterfactual X ̄ m β ̂ u , and those in panel B (W=0) based on X ̄ u β ̂ m .
  5. Source: 1% population survey of China (2005).