Issue |
EPL
Volume 98, Number 4, May 2012
|
|
---|---|---|
Article Number | 40008 | |
Number of page(s) | 5 | |
Section | General | |
DOI | https://doi.org/10.1209/0295-5075/98/40008 | |
Published online | 25 May 2012 |
Does copy-resistance enhance cooperation in spatial prisoner's dilemma?
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University - Kasuga-koen, Kasuga-shi, Fukuoka 816-8580, Japan
Received:
2
February
2012
Accepted:
19
April
2012
We propose a novel idea for the so-called pairwise-Fermi process by considering copy-resistance when an agent copies a neighbor's strategy, which implies that the focal agent with relatively affluent payoff vis-à-vis social average might be negative to copy her neighbor's strategy even if her payoff is less than the neighbor's payoff. Simulation results reveal that this idea with a revised strategy adaptation process significantly enhances cooperation for prisoner's dilemma games played on time-constant networks.
PACS: 02.50.Le – Decision theory and game theory / 89.65.-s – Social and economic systems / 87.23.Kg – Dynamics of evolution
© EPLA, 2012
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