In this chapter, we provide an overview of the relationship between international migration and international trade as well as capital movements. We start out by identifying key issues through a brief comparison between modern migration and the mass migration of the nineteenth century, followed...

This paper considers diversity of the knowledge of expats as a complementary dimension of human capital that may generate spillovers. Such, often intangible, knowledge about foreign markets, management skills, and other complementary information may enhance the productivity of these expats, or...