It's essential that we understand things like the free-rider problem, but we also need to understand that, fortunately, humans are a little nicer than economists give them credit for. Some people actually leave money at roadside fruit stands; some people give money to NPR so we can listen to it.

My thesis topic was 'The value of a human life.' I asked people a question: 'Suppose you had some risk, a one in a thousand risk of dying - how much would you pay to eliminate it?'

In the 1940s, economics started getting highly mathematical. It was basically because economists weren't smart enough to write down models of real behavior that they started writing down models of highly rational behavior - and they kind of forgot about humans.

Richard Thaler Quotes