Bertrand competition under decreasing returns involves a wide interval of pure strategy Nash equilibrium prices. We first present results of experiments in which two, three and four identical firms repeatedly interact in this environment. More firms lead to lower average prices. However, prices...

This paper reports the results of a series of experiments designed to test whether and to what extent individuals succumb to the conjunction fallacy. Using an experimental design of Tversky and Kahneman (1983), it finds that given mild incentives, the proportion of individuals who violate the...

We study experimentally how males and females differ in the way same-gender peers observing their action affects their social behavior. In our experiment, people play a Prisoner's Dilemma game with a partisan audience watching the choice. Two groups participated in each session; these groups...

Trust is an essential component of good social outcomes and effective economic performance. Reputation on the trustee's past behavior in the same role has proven to be greatly effective at raising the level of trust. In this study, we show that providing information on the trustee's past...

The notions of one's social identity and group membership have recently become topics for economic theory and experiments, and recent research has shown the importance of identity in a wide array of economic environments. But predictions are unclear when there is some trade-off between one's...