Several models of prisoner's dilemma interactions were tested in a series of twelve games whose termination point was determined probabilistically. A new model was introduced to discriminate among equilibrium and nonequilibrium situations on the basis of a player's expected benefits or losses...

This paper presents the results of an n-person characteristic function game played by between seven and and twelve players, one of whom was a monopolist. A factorial design allowed for analysis of the effects of group size, the availability of information, and communication opportunities for a...

The long history of experimental research on the prisoner's dilemma (PD) has primarily used a methodology that eliminates cues to participants. Researchers, however, have interpreted participants' choices as cooperative or competitive. The authors' research shows that giving participants...