Seema Jayachandran on the Banerjee, Duflo, Kremer Nobel, in the NYT

The Economic View column of the NY Times, by someone who knows the subject, and the subjects very well:

When a Disappointment Helped Lead to a Nobel Prize
The winners of this year’s Nobel in economics did pioneering field experiments that sometimes didn’t work as expected.  By Seema Jayachandran

"The negative finding about textbooks was important in the development of Mr. Kremer’s career. “I’m happier when I find that something works,” he said. “But I’m not in despair if I don’t — the key thing is listen and learn from it.”