We use recent immigration data from 195 countries and propose an index of population diversity based on people's birthplaces. This new index is then decomposed into a size (share of foreign born) and a variety (diversity of immigrants) component and is available for 1990 and 2000 disaggregated...

We use recent immigration data from 195 countries and propose an index of population diversity based on people's birthplaces. This new index is then decomposed into a size (share of foreign born) and a variety (diversity of immigrants) component and is available for 1990 and 2000 disaggregated...

This chapter focuses on the effects of skilled migration on developing countries. We first present new evidence on the magnitude of the -brain drain- at the international level. Using a stylized model of education investment in a context of migration, we then survey the theoretical and empirical...