The market for aid is changing. These days donors use a far greater array of instruments than in the past, and operate in a context of far larger private financial flows. Poor countries are growing richer, but there are legitimate doubts about whether the aid industry deserves credit....

Private financial flows such as foreign direct investment seem toencourage economic growth and relieve poverty in part because theycreate excellent incentives for transferring know-how and in partbecause they are subject to a stern market test that ensures they areallocated and monitored...

Critics of the aid industry have accused it of acting like a cartel (Easterly 2002). The accusation has some bite-globally the industry remains somewhat concentrated, and for the typical recipient country, highly concentrated. Yet the most striking fact about the industry is how relentlessly...