"This paper analyzes the effects of immigration on the gender wage gap. Using a detailed individual French dataset, we shed lights on the strong feminization of the immigration workforce from 1990 to 2010. Our theoretical model predicts that a shift in the supply of female workers increases gender wage inequality when men and women are imperfect substitute in production. Our structural estimate shows an imperfect substituability between men and women workers of similar education and experience. Our econometric analysis shows that a 10% increase in immigrant female labor supply relative to immigrant male labor supply in a given education-experience group lowers the relative earnings of female native workers of that group by 4%. We finally use a structural model to account for the cross-group effects induced by immigration and show that the rise in the relative number of female immigrants has decreased the relative wage of female native workers, thereby contributing to a widening native gender wage gap."

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