Using a cross-section of countries, we adapt Frankel and Romer's (1999) IV strategy to international labor mobility. Controlling for institutional quality, trade, and nancial openness, we establish a robust and non-negative causal eect of immigration on real percapita income.

Immigration impacts on the economy in ample ways: it affects growth, wages and total factor productivity. This study deals with the effects of immigration on firm exports. Can firms benefit from hiring immigrants to expand their export sales? Or do immigrants who live in the firm’s region...