Impact of social punishment on cooperative behavior in complex networks.
Impact of social punishment on cooperative behavior in complex networks.
复制标题
社会惩罚对复杂网络中合作行为的影响
DOI:
10.1038/srep03055
复制
发表时间:
2013-10-28
影响因子:
4.6
通讯作者:
Moreno, Yamir
中科院分区:
文献类型:
--
作者:
Wang, Zhen;Xia, Cheng-Yi;Meloni, Sandro;Zhou, Chang-Song;Moreno, Yamir
Social punishment is a mechanism by which cooperative individuals spend part of their resources to penalize defectors. In this paper, we study the evolution of cooperation in 2-person evolutionary games on networks when a mechanism for social punishment is introduced. Specifically, we introduce a new kind of role,punisher, which is aimed at reducing the earnings of defectors by applying to them asocial fee. Results from numerical simulations show that different equilibria allowing the three strategies to coexist are possible as well as that social punishment further enhance the robustness of cooperation. Our results are confirmed for different network topologies and two evolutionary games. In addition, we analyze the microscopic mechanisms that give rise to the observed macroscopic behaviors in both homogeneous and heterogeneous networks. Our conclusions might provide additional insights for understanding the roots of cooperation in social systems.
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DOI:
10.1073/pnas.0507229103
发表时间:
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影响因子:
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通讯作者:
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