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Effects of punishment in a mobile population playing the prisoner’s dilemma game

We deal with a system of prisoner’s dilemma players undergoing continuous motion in a two-dimensional plane. In contrast to previous work, we introduce altruistic punishment after the game. We find punishing only a few of the cooperator-defector interactions is enough to lead the system to a cooperative state in environments where otherwise defection would take over the population. This happens even with soft nonsocial punishment (where both cooperators and defectors punish other players, a behavior observed in many human populations). For high enough mobilities or temptations to defect, low rates of social punishment can no longer avoid the breakdown of cooperation

© Physical Review E, 2011, vol. 84, núm. 6, p. 066115

American Physical Society

Autor: Amor, Daniel R.
Fort, Joaquim
Data: 2011
Resum: We deal with a system of prisoner’s dilemma players undergoing continuous motion in a two-dimensional plane. In contrast to previous work, we introduce altruistic punishment after the game. We find punishing only a few of the cooperator-defector interactions is enough to lead the system to a cooperative state in environments where otherwise defection would take over the population. This happens even with soft nonsocial punishment (where both cooperators and defectors punish other players, a behavior observed in many human populations). For high enough mobilities or temptations to defect, low rates of social punishment can no longer avoid the breakdown of cooperation
Format: application/pdf
ISSN: 1539-3755 (versió paper)
1550-2376 (versió electrònica)
Accés al document: http://hdl.handle.net/10256/7624
Llenguatge: eng
Editor: American Physical Society
Col·lecció: Reproducció digital del document publicat a: http://dx.doi.org/10.1103/PhysRevE.84.066115
Articles publicats (D-F)
És part de: © Physical Review E, 2011, vol. 84, núm. 6, p. 066115
Drets: Tots els drets reservats
Matèria: Jocs -- Models matemàtics
Games -- Mathematical models
Títol: Effects of punishment in a mobile population playing the prisoner’s dilemma game
Tipus: info:eu-repo/semantics/article
Repositori: DUGiDocs

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