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Table 7 OLS and 2SLS estimates of the effect of fertility on FLFP in urban Iran

From: The effect of children on female labor force participation in urban Iran

  1 + sample 2 + sample 3 + sample
  OLS 2SLS OLS 2SLS OLS 2SLS
First-stage results: fertility equation
A firstborn son   −0.106***     
   (0.009)     
Two daughters     0.042***   
     (0.004)   
Two or more sons       −0.044***
       (0.005)
Estimation results: FLFP equation
Number of children −0.008*** 0.005     
  (0.001) (0.026)     
More than 2 children    −0.011*** −0.033   
    (0.004) (0.060)   
More than 3 children      −0.009** −0.019
      (0.004) (0.068)
Observations 56,845 56,845 43,868 43,868 25,399 25,399
1st stage R-squared   0.562   0.344   0.226
2nd stage R-squared 0.183 0.183 0.152 0.151 0.084 0.083
IV F-statistics   149.253   149.430   89.917
  1. Note: All the specifications include indicators of age: I(25 ≤ age ≤ 29), I(30 ≤ age ≤ 35); indicators of schooling: I(1 ≤ schooling ≤ 5), I(6 ≤ schooling ≤ 8), I(9 ≤ schooling ≤ 12), I(schooling ≤ 13); age at first birth; log(nonlabor income); and year effects. Standard errors are reported in parentheses. ***significant at the 1% level, **significant at the 5% level.