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Table 5 OLS income regression results: dependent variable=log (hourly income)

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

  Formal contract Self-employed Without a contract
A: Urban residents    
Age 0.034*** 0.017*** 0.020***
  (0.002) (0.004) (0.002)
Age2 -0.000*** -0.000*** -0.000***
  (0.000) (0.000) (0.000)
Female -0.161*** -0.259*** -0.189***
  (0.003) (0.008) (0.004)
Junior middle school 0.372*** 0.121*** 0.213***
  (0.009) (0.013) (0.010)
Senior middle school 0.650*** 0.233*** 0.483***
  (0.009) (0.014) (0.010)
College and above 1.070*** 0.573*** 1.021***
  (0.009) (0.023) (0.010)
Unmarried -0.009 -0.065*** -0.075***
  (0.007) (0.019) (0.008)
R-squared 0.349 0.127 0.368
N 128509 25832 65371
B: Rural migrants    
Age 0.039*** 0.021*** 0.037***
  (0.002) (0.004) (0.002)
Age2 -0.001*** -0.000*** -0.001***
  (0.000) (0.000) (0.000)
Female -0.181*** -0.293*** -0.194***
  (0.006) (0.011) (0.004)
Junior middle school 0.195*** 0.170*** 0.160***
  (0.009) (0.012) (0.006)
Senior middle school 0.441*** 0.279*** 0.349***
  (0.011) (0.017) (0.008)
College and above 0.948*** 0.527*** 0.746***
  (0.018) (0.058) (0.019)
Unmarried -0.022** -0.025 -0.049***
  (0.010) (0.022) (0.007)
R-squared 0.213 0.127 0.195
N 32947 16536 45138
C: Urban migrants    
Age 0.077*** 0.006 0.049***
  (0.005) (0.012) (0.005)
Age2 -0.001*** -0.000 -0.001***
  (0.000) (0.000) (0.000)
Female -0.187*** -0.229*** -0.162***
  (0.012) (0.028) (0.013)
Junior middle school 0.252*** 0.189*** 0.177***
  (0.040) (0.047) (0.030)
Senior middle school 0.532*** 0.348*** 0.419***
  (0.040) (0.049) (0.030)
College and above 1.089*** 0.687*** 0.916***
  (0.040) (0.059) (0.032)
Unmarried 0.025 0.157*** -0.003
  (0.017) (0.051) (0.020)
R-squared 0.382 0.175 0.340
N 11482 3272 7460
  1. Notes: *, **, and *** represent significance levels of 10%, 5%, and 1%, respectively.
  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. Province dummies and a constant are included in the regressions but not reported.
  5. Standard errors are reported in brackets.
  6. Source: 1% population survey of China (2005).