In the efficient allocation of aid, aid is targeted disproportionately to countries with severe poverty and adequate policies. For a given level of poverty, aid tapers in with policy reform. In the actual allocation of aid, aid tapers out with reform. - Aid now lifts about 30 million people a...

Global poverty, economist Collier points out, is actually falling quite rapidly for about 80% of the world. The real crisis lies in a group of about 50 failing states, the bottom billion, whose problems defy traditional approaches to alleviating poverty. Here, Collier contends that these fifty...