Sendhil Mullainathan: Solving social problems with a nudge

MacArthur winner Sendhil Mullainathan uses the lens of behavioral economics to study a tricky set of social problems those we know how to solve, but don t. We know how to reduce child deaths due to diarrhea, how to prevent diabetesrelated blindness and how to implement solarcell technology. .. yet somehow, we don t or can t. Why