This paper investigates the effects of immigration flows and their skill content on per capita GDP in 24 OECD host countries. Theoretical models concludes that the effect of immigrants in host country's income depends on the capital content of migrants (Benhabib 1996); empirically the question...

Immigrants may complement native workers, increase productivity, allow specialization by skill in the firm and lower costs. These effects could be beneficial for the firm and increase its productivity and profits. However not all firms use immigrants. Allowing firms to have differential fixed...

Using detailed administrative data linking French firms and workers over the years 2002-2007, we document a distinct U-shaped pattern in worker-level wages surrounding the time their employer is acquired by a foreign firm, with a dip in earnings observed for several years before domestic firms...