Impact of social punishment on cooperative behavior in complex networks.

Impact of social punishment on cooperative behavior in complex networks.
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社会惩罚对复杂网络中合作行为的影响

DOI:
10.1038/srep03055
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发表时间:
2013-10-28
期刊:
影响因子:
4.6
通讯作者:
Moreno, Yamir
Moreno, Yamir
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Wang, Zhen;Xia, Cheng-Yi;Meloni, Sandro;Zhou, Chang-Song;Moreno, Yamir

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社会惩罚是合作社个人将部分资源用于惩罚叛逃者的一种机制。本文研究了引入社会惩罚机制后,网络环境下二人进化博弈中合作的演化过程。具体地说,我们引入了一种新的角色,惩罚者,旨在通过向叛逃者收取社会费来减少他们的收入。数值模拟结果表明,允许三种策略共存的不同均衡是可能的,并且社会惩罚进一步增强了合作的稳健性。我们的结果在不同的网络拓扑和两个进化博弈中得到了证实。此外,我们还分析了在均匀网络和非均匀网络中产生宏观行为的微观机制。我们的结论可能会为理解社会制度中合作的根源提供更多的见解。
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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发表时间: 2006-01-10
影响因子: 11.1
作者:
Brandt, H;Hauert, C;Sigmund, K
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