For decades, migration economics has stressed the effects of migration restrictions on income distribution in the host country. Recently the literature has taken a new direction by estimating the costs of migration restrictions to global economic efficiency. In contrast, a new strand of research...

Irresistible forces for increased labor mobility -- The fifth irresistible force : ghosts and zombies -- Immovable ideas : myths and truths -- Accommodating forces and ideas to achieve development-friendly labor -- Mobility -- Conclusion : let their people come

This paper critiques the last decade of research on the effects of high-skill emigration from developing countries, and proposes six new directions for fruitful research. The study singles out a core assumption underlying much of the recent literature, calling it the Lump of Learning model of...