This paper investigates earnings differentials between immigrants and natives. We focus on returns and on the (imperfect) international transferability of human capital. Data are drawn from the 2009 Italian Labour Force Survey (LFS). We show that returns to human capital are considerably lower...

This paper investigates the causal effect of a switch from fixed wages to collective performance-related pay on firm productivity, exploiting an exogenous variation in the institutional environment regulating collective bargaining. We find that the introduction of collective performance related...