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arXiv 2409.09701physics.soc-phq-bio.PE
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高成本惩罚在低背叛可检测性下维持间接互惠

Costly punishment sustains indirect reciprocity under low defection detectability

Yohsuke Murase

AI总结:

本研究针对间接互惠下高成本惩罚的有效性争议,引入背叛被误判为合作的感知误差开展理论分析,发现低背叛可检测性下含高成本惩罚的规范是最高效的演化稳定策略,明确了其在促进合作中的关键作用。

摘要:

合作是人类社会的基础,而间接互惠——个体通过合作建立良好声誉以获取未来收益——在促进合作方面发挥着关键作用。以往的理论与实验研究已探究了高成本惩罚在维持合作中的有效性与局限性。尽管实证观察显示第三方实施的高成本惩罚十分普遍,但部分理论模型表明,在间接互惠的语境下这种惩罚可能并不奏效,这引发了人们对其增强合作潜力的质疑。本研究从理论层面探究了高成本惩罚发挥效用的条件。我们在已有模型的基础上,引入了一种新的行动感知误差类型,即背叛行为可能被误判为合作。这一扩展建模了一种现实场景:背叛者有强烈动机将其背叛行为伪装成合作。我们的分析表明,当背叛难以被察觉时,包含高成本惩罚的规范可成为最高效的演化稳定策略。这些发现证明,高成本惩罚能够在间接互惠的合作促进中发挥关键作用。

英文摘要:

Cooperation is fundamental to human societies, and indirect reciprocity, where individuals cooperate to build a positive reputation for future benefits, plays a key role in promoting it. Previous theoretical and experimental studies have explored both the effectiveness and limitations of costly punishment in sustaining cooperation. While empirical observations show that costly punishment by third parties is common, some theoretical models suggest it may not be effective in the context of indirect reciprocity, raising doubts about its potential to enhance cooperation. In this study, we theoretically investigate the conditions under which costly punishment is effective. Building on a previous model, we introduce a new type of error in perceiving actions, where defection may be mistakenly perceived as cooperation. This extension models a realistic scenario where defectors have a strong incentive to disguise their defection as cooperation. Our analysis reveals that when defection is difficult to detect, norms involving costly punishment can emerge as the most efficient evolutionarily stable strategies. These findings demonstrate that costly punishment can play a crucial role in promoting cooperation within indirect reciprocity.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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