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Table 13 Elasticity estimates (black-white)

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

   1940–1960   1940–1970
Wage sample   OLS IV (Immig. component) IV (National stock)   OLS IV (Immig. component) IV (National stock)
All \(-\sigma _{r}^{-1}\) −0.22 −0.10 −0.20 \(-\sigma _{r}^{-1}\) −0.13 −0.05 −0.16
   (0.09) (0.11) (0.10)   (0.06) (0.08) (0.06)
  N 117 117 117 N 155 155 155
Natives \(-\sigma _{r}^{-1}\) −0.18 −0.19 −0.16 \(-\sigma _{r}^{-1}\) −0.14 −0.12 −0.16
   (0.09) (0.11) (0.13)   (0.05) (0.07) (0.07)
  N 117 117 117 N 156 155 156
  1. Notes: “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). Except where noted, wages and labor supplies are measured using all Northern labor. 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); standard errors for σ e are heteroskedasticity-robust. All regressions are weighted by the number of observations used to construct the dependent variable