Rich countries have made efforts for half a century to help people in poor countries catch up to rich-country standards of living. Those efforts have included giving foreign aid, encouraging overseas investment, dismantling trade barriers, and spreading ideas and institutions. That is, their...

Large numbers of doctors, engineers, and other skilled workers from developing countries choose to move to other countries. Do their choices threaten development? The answer appears so obvious that their movement is most commonly known by the pejorative term “brain drain.” This paper...