With an estimated 724 million extreme poor people living in developing countries, and the world's demographics bifurcating into an older North and a younger South, there are substantial economic incentives and benefits for people to migrate. There are also important market and regulatory...

Using a rich data set of primary school students, this paper estimates the effects of immigrant concentration in the classroom on the academic achievement of natives. In contrast with previous contributions, it exploits rare information on age-at-migration to estimate separate spillover effects...

With an estimated 724 million extreme poor people living in developing countries, and the world's demographics bifurcating into an older north and a younger south, there are substantial economic incentives and benefits for people to migrate. There are also important market and regulatory...