Act against corrupt leaders, assisting research and development and enhancing global labour mobility - these are the ways in which rich and developed nations can best assist poor countries. So says this essay in Foreign Affairs Magazine.

Increasing aid and market access for poor countries makes sense but will not do that much good. Wealthy nations should also push other measures that could be far more rewarding, such as giving the poor more control over economic policy, financing new development-friendly technologies, and opening labor markets.