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...

We analyze the role of labor mobility in cushioning labor demand shocks in the Euro Area. We find that foreign born workers' mobility is strongly cyclical, while this is not the case for natives. Foreigners' higher population to employment elasticity reduces the variation of overall employment...

In this paper we analyze the effect of immigrants on native jobs in fourteen Western European countries. We test whether the inflow of immigrants in the period 1996-2007 decreased employment rates and/or if it altered the occupational distribution of natives with similar education and age. We...