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 diabetes-related blindness and how to implement solar-cell technology ... yet somehow, we don't or can't. Why?

Sendhil Mullainathan asks a compelling question: what are the irrational choices we make that perpetuate poverty, corruption, discrimination?