Esther Duflo - Nobel Prize-winning economist

Shaun Ley speaks to the Nobel Prize winning economist Esther Duflo. The experimental trails she ran with two colleagues in Africa and India produced some surprising results. Among their findings: food aid isn’t helping the poor, and the poorest kids don’t need more books, they need more time. A fashionable idea wins the Nobel Prize. But is this really a story of failure of economists to predict the financial crisis, and of economics to offer big solutions?