Felbermayr, Gabriel J.; Hiller, Sanne; Sala, Davide - In: Economics Letters 107 (2010) 2, pp. 177-179
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 financial openness, we establish a robust and non-negative causal effect of immigration on real per capita income.