Three-person game facilitates indirect reciprocity under image scoring.

Three-person game facilitates indirect reciprocity under image scoring. Research Abstract Details 

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Three-person game facilitates indirect reciprocity under image scoring. Abstract Text:

Shinsuke Suzuki,Eizo Akiyama,Shinsuke Suzuki,Eizo Akiyama,

Reputation building plays an important role in the evolution of reciprocal altruism when the same individuals do not interact repeatedly because, by referring to reputation, a reciprocator can know which partners are cooperative and can reciprocate with a cooperator. This reciprocity based on reputation is called indirect reciprocity. Previous studies of indirect reciprocity have focused only on two-person games in which only two individuals participate in a single interaction, and have claimed that indirectly reciprocal cooperation cannot be established under image scoring reputation criterion where the reputation of an individual who has cooperated (defected) becomes good (bad). In this study, we specifically examine three-person games, and reveal that indirectly reciprocal cooperation can be formed and maintained stably, even under image scoring, by a nucleus shield mechanism. In the nucleus shield, reciprocators are a shield that keeps out unconditional defectors, whereas unconditional cooperators are the backbone of cooperation that retains a good reputation among the population.

Three-person game facilitates indirect reciprocity under image scoring. Publishing Authors By Initials

S Suzuki,E Akiyama,S Suzuki,E Akiyama,

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Three-person game facilitates indirect reciprocity under image scoring. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of theoretical biology

VOLUME: 249

Page Numbers: 93-100

Journal Abbreviation: J. Theor. Biol.

ISSN: 0022-5193

DAY: 24

MONTH: 07

YEAR: 2007

Three-person game facilitates indirect reciprocity under image scoring. Information

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LANGUAGE: eng

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AFFILIATION: Graduate School of Systems and Information Engineering, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8573, Japan. suzuki92@sk.tsukuba.ac.jp

Country: Netherlands

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MEDLINETA: J Theor Biol

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