Previous findings on punishment have focused on environments in which the outcomes are known with certainty. In this paper, we conduct experiments to investigate how punishment affects cooperation in a two-person stochastic prisoner's dilemma environment where each person can decide whether or...

In many cultures and industries gifts are given in order to influence the recipient, often at the expense of a third party. Examples include business gifts of firms and lobbyists. In a series of experiments, we show that, even without incentive or informational effects, small gifts strongly...

We compare behavior in experiments measuring distributional preferences during the "Great Recession" to behavior in identical experiments conducted during the preceding economic boom. Subjects are drawn from a diverse pool of students whose socioeconomic composition is largely held constant by...

We conduct a real-effort experiment where participants choose between individual compensation and team-based pay. In contrast to tournaments, which are often avoided by women, we find that women choose team-based pay at least as frequently as men in all our treatments and conditions, and...

A large economics literature seeks to understand the reasons why individuals make charitable contributions. Fundamental features of most models of charitable giving are the inclusion of externalities induced by other agents and the Lancasterian characteristics approach to specifying utility...