Repeated games with public uncertain duration process

Repeated games with public uncertain duration process

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Article ID: iaor20102046
Volume: 39
Issue: 1
Start Page Number: 29
End Page Number: 52
Publication Date: Mar 2010
Journal: International Journal of Game Theory
Authors: ,
Abstract:

We consider repeated games where the number of repetitions θ is unknown. The information about the uncertain duration can change during the play of the game. This is described by an uncertain duration process Θ that defines the probability law of the signals that players receive at each stage about the duration. To each repeated game Γ and uncertain duration process Θ is associated the Θ-repeated game ΓΘ. A public uncertain duration process is one where the uncertainty about the duration is the same for all players. We establish a recursive formula for the value V Θ of a repeated two-person zero-sum game ΓΘ with a public uncertain duration process Θ. We study asymptotic properties of the normalized value v Θ = V Θ/E(θ) as the expected duration E (θ) goes to infinity. We extend and unify several asymptotic results on the existence of lim v n and lim v λ and their equality to lim v Θ. This analysis applies in particular to stochastic games and repeated games of incomplete information.

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