Econometrica: Jan 2001, Volume 69, Issue 1

A Folk Theorem for Asynchronously Repeated Games

https://doi.org/10.1111/1468-0262.00182
p. 191-200

Kiho Yoon

We prove a Folk Theorem for asynchronously repeated games in which the set of players who can move in period , denoted by , is a random variable whose distribution is a function of the past action choices of the players and the past realizations of 's, τ=1, 2,…,−1. We impose a condition, the finite periods of inaction (FPI) condition, which requires that the number of periods in which every player has at least one opportunity to move is bounded. Given the FPI condition together with the standard nonequivalent utilities (NEU) condition, we show that every feasible and strictly individually rational payoff vector can be supported as a subgame perfect equilibrium outcome of an asynchronously repeated game.

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