Can lab experiments on student populations serve to identify the motivational forces present in society at large? We address this question by conducting, to our knowledge, the first study of social preferences that brings a nationally representative population into the lab, and we compare their...

Why do people in rich countries not transfer more of their income to people in the world's poorest countries? To study this question and the relative importance of needs, entitlements, and nationality in people's social preferences, we conducted a real effort fairness experiment where people in...

Our research investigates whether social preferences are stable across contexts in the field. We build a unique data set by recruiting participants from a low-income urban neighborhood to participate in a series of laboratory experiments. Their decisions are used to demonstrate the stability of...

This paper reviews the results from experimental measures of risk aversion for evidence of systematic differences in the behavior of men and women. In most studies, women are found to be more averse to risk than men. Studies with contextual frames show less consistent results

The ultimatum game is a standard instrument for laboratory experimentalists. It had been replicated in a large number of environments and points to special considerations for fairness. Although it has been popular in the experimental community, researchers have not harnessed all the statistical...