Heller, Yuval and Mohlin, Erik (2015): Observations on Cooperation.
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Abstract
We study environments in which agents are randomly matched to play a Prisoner's Dilemma, and each player observes a few of the partner's past actions against previous opponents. We depart from the existing literature in two key respects: (1) we allow a small fraction of the population to be commitment types, and (2) we do not assume a time zero at which the entire community starts to interact. The presence of committed agents destabilizes all previously proposed mechanisms for sustaining cooperation. We present a novel mechanism (involving an essentially unique strategy combination) that sustains stable cooperation in many environments.
Item Type: | MPRA Paper |
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Original Title: | Observations on Cooperation |
Language: | English |
Keywords: | Evolutionary stability, random matching, indirect reciprocity, secret handshake, submodularity, image scoring. |
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 > D0 - General > D01 - Microeconomic Behavior: Underlying Principles |
Item ID: | 70720 |
Depositing User: | Yuval Heller |
Date Deposited: | 16 Apr 2016 16:38 |
Last Modified: | 29 Sep 2019 05:34 |
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URI: | https://mpra.ub.uni-muenchen.de/id/eprint/70720 |
Available Versions of this Item
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Stable Observable Behavior. (deposited 21 Mar 2015 06:16)
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Observations on Cooperation. (deposited 19 Aug 2015 05:46)
- Observations on Cooperation. (deposited 16 Apr 2016 16:38) [Currently Displayed]
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Observations on Cooperation. (deposited 19 Aug 2015 05:46)