| 来源类型 | Monograph (IIASA Interim Report)
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| 规范类型 | 报告
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| Averting group failures in collective-risk social dilemmas. |
| Chen X; Szolnoki A; Perc M
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| 发表日期 | 2012
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| 出版者 | IIASA, Laxenburg, Austria: IR-12-028
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| 出版年 | 2012
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| 语种 | 英语
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| 摘要 | Free-riding on a joint venture bears the risk of loosing personal endowment as the group may fail to reach the collective target due to insufficient contributions. A collective-risk social dilemma emerges, which we here study in the realm of the spatial public goods game with group-performance-dependent risk levels. Instead of using an overall fixed value, we update the risk level in each group based on the difference between the actual contributions and the declared target. A single parameter interpolates between a step-like risk function and virtual irrelevance of the group's performance in defining the risk level, thus bridging the two extremes constituting maximal and minimal feedback. We show that stronger feedback between group performance and risk level is in general more favorable for the successful evolution of public cooperation, yet only if the collective target to be reached is moderate. Paradoxically, if the goals are overambitious, intermediate feedback strengths yield optimal conditions for cooperation. This can be explained by the propagation of players that employ identical strategies but experience different individual success while trying to cope with the collective-risk dilemma. |
| 主题 | Evolution and Ecology (EEP)
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| URL | http://pure.iiasa.ac.at/id/eprint/10247/
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| 来源智库 | International Institute for Applied Systems Analysis (Austria)
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| 资源类型 | 智库出版物
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| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/125887
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推荐引用方式
GB/T 7714 |
Chen X,Szolnoki A,Perc M. Averting group failures in collective-risk social dilemmas.. 2012.
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文件名：
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IR-12-028.pdf
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格式：
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Adobe PDF
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