We report results from an experiment that examines play in an indefinitely repeated, 2-player Prisoner’s Dilemma game. Each experimental session involves N subjects and a sequence of indefinitely repeated games. The main treatment consists of whether agents are matched in fixed pairings or...

This article reports results from an experiment that examines whether an intrinsically worthless, "token" object serves as a medium of exchange in a laboratory implementation of Kiyotaki and Wright's search model of money. The theory admits Nash equilibria in which the token object is or is not...