Social experiments to fight poverty: Esther Duflo on TED.com.
Abstract: "Alleviating poverty is more guesswork than science, and lack of data on aid's impact raises questions about how to provide it. But Clark Medal-winner Esther Duflo says it's possible to know which development efforts help and which hurt -- by testing solutions with randomized trials."
Her accent is a bit hard to follow. One can turn on the language button to see what is being said.
(via Chris Blattman)