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Table 14 Race-specific estimates of σ r

From: Immigration and wages: new evidence from the African American Great Migration

   

1940–1960

1940–1970

Wage sample

Labor supply sample

 

OLS

IV (Immig. component)

IV (National stock)

OLS

IV (Immig. component)

IV (National stock)

All

All

log(L)

−0.25

−0.17

−0.26

−0.23

−0.17

−0.22

   

(0.06)

(0.05)

(0.05)

(0.04)

(0.03)

(0.04)

  

Black*log(L)

0.17

0.07

0.25

0.15

0.09

0.18

   

(0.08)

(0.06)

(0.08)

(0.05)

(0.04)

(0.05)

  

N

234

234

234

311

311

311

Native

All

log(L)

−0.26

−0.18

−0.26

−0.23

−0.18

−0.22

   

(0.06)

(0.05)

(0.05)

(0.04)

(0.03)

(0.04)

  

Black*log(L)

0.19

0.06

0.27

0.12

0.06

0.14

   

(0.09)

(0.08)

(0.12)

(0.06)

(0.05)

(0.06)

  

N

234

234

234

312

311

312

  1. Notes: The estimating equation is \(\log w_{exrt}=\lambda _{exr}+\lambda _{ert}+\lambda _{ext}-{\sigma _{w}^{1}}\log L_{exrt}-(\sigma _{b}^{-1}-\sigma _{w}^{-1})1_{r=b}\log L_{exrt}+u_{exrt}\). Immig. component refers to the immigrant component of labor supply and National stock refers to the labor supply among all Southern-born workers (including those living in the North). Standard errors for the estimates of σ i , σ r , and σ x are clustered by education-experience group (or race-education-experience groups for models that pool both races). All regressions are weighted by the number of observations used to construct the dependent variable