| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1016/j.biosystems.2015.04.002 |
| Cheating is evolutionarily assimilated with cooperation in the continuous snowdrift game. | |
| Okada I | |
| 发表日期 | 2015 |
| 出处 | Biosystems 131: 51-59 |
| 出版年 | 2015 |
| 语种 | 英语 |
| 摘要 | It is well known that in contrast to the Prisoner's Dilemma, the snowdrift game can lead to a stable coexistence of cooperators and cheaters. Recent theoretical evidence on the snowdrift game suggests that gradual evolution for individuals choosing to contribute in continuous degrees can result in the social diversification to a 100% contribution and 0% contribution through so-called evolutionary branching. Until now, however, game-theoretical studies have shed little light on the evolutionary dynamics and consequences of the loss of diversity in strategy. Here we analyze continuous snowdrift games with quadratic payoff functions in dimorphic populations. Subsequently, conditions are clarified under which gradual evolution can lead a population consisting of those with 100% contribution and those with 0% contribution to merge into one species with an intermediate contribution level. The key finding is that the continuous snowdrift game is more likely to lead to assimilation of different cooperation levels rather than maintenance of diversity. Importantly, this implies that allowing the gradual evolution of cooperative behavior can facilitate social inequity aversion in joint ventures that otherwise could cause conflicts that are based on commonly accepted notions of fairness. |
| 主题 | Evolution and Ecology (EEP) |
| 关键词 | evolution of cooperation snowdrift game replicator dynamics adaptive dynamics evolutionary branching speciation in reverse |
| URL | http://pure.iiasa.ac.at/id/eprint/11470/ |
| 来源智库 | International Institute for Applied Systems Analysis (Austria) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/130376 |
| 推荐引用方式 GB/T 7714 | Okada I. Cheating is evolutionarily assimilated with cooperation in the continuous snowdrift game.. 2015. |
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