A hallmark of human societies is the scale at which we cooperate with many others, even
when they are not closely genetically related to us. One proposed mechanism that helps …

Many interactions in modern human societies are among strangers. Explaining cooperation
in such interactions is challenging. The two most prominent explanations critically depend …

To determine the role of moral norms in cooperation and punishment, we examined the
effects of a moral-framing manipulation in a Prisoner's Dilemma game with a costly …

Sustaining cooperation in social dilemmas is a fundamental objective in the social and
biological sciences. Although providing a punishment option to community members in the …

The existence of moral punishment, that is, the fact that cooperative people sacrifice
resources to punish defecting partners requires an explanation. Potential explanations are …

第三方惩罚对合作的维系可能来自经济功能或规范提示功能. 先前研究没有区分这两种功能,
因而未能回答: 当惩罚不足以影响违规收益时, 是否还能促进合作? 实验1 (N= 252) …

Collective action, like public goods game, often requires mechanism intervention to avoid
exploitation by free-riders. Reward and punishment are two widely studied solutions, but the …

To understand the emergence and sustainment of cooperative behavior in interacting
collectives, we perform global convergence analysis for replicator dynamics of a large, well …

Women are often believed to be more cooperative and less egoistic than men. In the present
study, we examined whether people punish women for failing to live up to these benevolent …

Although children enact third-party punishment, at least in response to harm and fairness
violations, much remains unknown about this behavior. We investigated the tendency to …