This paper presents a modified and improved methodology for the decomposition of wage differentials between two groups … of workers into an endowment component and a discrimination component. The standard decomposition technique does not take … into the wage differential decompositions, two statistical methodologies are merged: the Oaxaca methodology and the Heckman …

substitutes for native workers, we expect that the impact of immigration will be largest immediately upon the immigrants’ arrival … substitutes for natives because of their lack of local human capital, the initial effect of immigration is small, and the effect …, we do not find any effect of immigration on employment, neither in the short nor in the long run. …