Several papers have documented that when subjects play with standard laboratory endowmentsʺ they make less self-interested choices then when they use money they have either earned through a laboratory task or brought from outside the lab. In the context of a charitable giving experiment we...

Abstract Previous experimental and observational work suggests that people act more generously when they are observed and observe others in social settings. But the explanation for this is unclear. An individual may want to send a signal of her generosity in order to improve her own reputation....

We study how other-regarding behavior extends to environments with uncertain income and conditional commitments. Should fundraisers ask a banker to donate "if he earns a bonus" or wait and ask after the bonus is known? Standard EU theory predicts these are equivalent; loss-aversion and signaling...