Solving social problems with a nudge Sendhil Mullainathan on

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? (Recorded at TEDIndia, November 2009, Mysore, India. Duration: 18:01)

Watch Sendhil Mullainathan’s talk on, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 600+ TEDTalks.