Paul Collier's new book, The Bottom Billion: Why the Poorest Countries Are Failing and What Can Be Done About It, argues that many developing countries are doing just fine and that the real development challenge is the 58 countries that are economically stagnant and caught in one or more "traps": ar...

Large numbers of African nurses and doctors are emigrating to the U.S., U.K., Australia and other rich countries. These movements strain local health systems and deprive sick people of urgently needed care. Right? Think again. What if wages and working conditions in city slums and rural villages are...

In CGD working paper 95, research fellow Michael Clemens and Gunilla Petterrsson estimate the number of African-born doctors and professional nurses working abroad in a developed countries circa 2000 using destination-country census data. They then compare this to the stocks of these workers in each...