The paper studies infinitely repeated games in which the players' rates of time preference may evolve over time, depending on what transpires in the game. A key result is that in any first best equilibrium of the repeated prisoners' dilemma, the players must eventually cooperate. If we assume...

This paper looks to see if departures from risk neutrality cause subjects to behave differently in randomly terminated supergames compared to infinitely discounted supergames. I show that if subjects have a strictly monotonic utility function, and that utility function is applied to their entire...