Podcast:EconTalk Published On: Mon Jul 15 2013 Description: Michael Clemens of the Center for Global Development talks with EconTalk host Russ Roberts about the effects of aid and migration on world poverty. Clemens argues that the effects of aid are positive but small. But emigration has the potential to have a transformative effect on migrants from poor countries who emigrate to richer ones. The discussion concludes with the impact of migrants on the host country.