Research on migration and development has recently changed, in two ways. First, it has grown sharply in volume, emerging as a proper subfield. Second, while it once embraced principally rural-urban migration and international remittances, migration and development research has broadened to...

Skilled workers have a rising tendency to emigrate from developing countries, raising fears that their departure harms the poor. To mitigate such harm, researchers have proposed a variety of policies designed to tax or restrict high-skill migration. Those policies have been justified as Pigovian...