Hino, Yoshifumi (2018): A folk theorem in infinitely repeated prisoner's dilemma with small observation cost.
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Abstract
We consider an infinitely repeated prisoner's dilemma under costly observation. If a player observes his opponent, then he pays an observation cost and knows the action chosen by his opponent. If a player does not observe his opponent, he cannot obtain any information about his opponent's action. Furthermore, no player can statistically identify the observational decision of his opponent. We prove an efficiency without any signals. Next, we consider a kind of delayed observations. Players decide their actions and observation decisions in the same period, but they choose observation decisions after they choose their actions. We introduce an interim public randomization instead of public randomization just before observation decision. We present a folk theorem with an interim public randomization device for a sufficiently small observation cost when players are sufficiently patient.
Item Type: | MPRA Paper |
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Original Title: | A folk theorem in infinitely repeated prisoner's dilemma with small observation cost |
Language: | English |
Keywords: | B to B business; Costly observation; Efficiency; Folk theorem; Prisoner's dilemma |
Subjects: | C - Mathematical and Quantitative Methods > C7 - Game Theory and Bargaining Theory > C72 - Noncooperative Games C - Mathematical and Quantitative Methods > C7 - Game Theory and Bargaining Theory > C73 - Stochastic and Dynamic Games ; Evolutionary Games ; Repeated Games D - Microeconomics > D8 - Information, Knowledge, and Uncertainty > D82 - Asymmetric and Private Information ; Mechanism Design |
Item ID: | 90381 |
Depositing User: | Dr. Yoshifumi Hino |
Date Deposited: | 10 Dec 2018 04:40 |
Last Modified: | 29 Sep 2019 20:04 |
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URI: | https://mpra.ub.uni-muenchen.de/id/eprint/90381 |
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