We report the results of experiments designed to test the effect of social status on contributions to a public good, with and without punishment. The experiments are conducted in four-person groups in a “star” network, where one central player observes and is observed by the others. This...

Cronyism in firms arises when favoritism toward an ingroup affects personnel decisions. Two main motives underlie cronyism: profit, if an ingroup employee works harder; or altruism, if used to transfer resources. In a lab-experiment trust game with naturally-occurring groups, an employer...

Crime is frightening. It breeds emotional responses which can lead to counterproductive governmental policy. To allow a rational analysis of these important concerns, Criminal Dilemmas applies intuition from economics, political science, and game theory as a way to develop new perspectives about...