This chapter summarizes the main trends, policies and empirical evidence regarding immigration in Europe. We start by providing descriptive evidence on long-term immigration trends and current characteristics of the immigrant populations in various important European destination countries and...

This paper re-examines the role of labor-market competition as a determinant of attitudes toward immigration. We claim two main contributions. First, we use more sophisticated measures of the degree of exposure to competition from immigrants than previously done. Specifically, we focus on the...

The diffusion of knowledge in the world generates positive externalities if knowledge flows increase the productivity of R&D. Our work analyzes knowledge diffusion and knowledge externalities in generating innovation and in determining productivity. We first estimate the determinants of...

The revival of international migration in the last fifteen years has spurred economists to more systematically study their determinants and consequences. This contribution expands the existing literature in two directions. First we focus on the European Union as a whole and compare it to the US...