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Esther Duflo: Social experiments to fight poverty


Esther Duflo: Social experiments to fight poverty
Esther Duflo: Social experiments to fight poverty
Duration: 16:47

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.