Pat Barclay

TL;DR: This work shows that people actively compete to be more generous than others when they can benefit from being chosen for cooperative partnerships, and the most generous people are correspondingly chosen more often as cooperative partners.

TL;DR: The authors showed that participants in a cooperative group game contribute more to their group when they expect to play a dyadic trust game afterwards, and that participants do tend to trust altruistic individuals more than non-altruistic individuals.

TL;DR: The authors investigated whether punishers gain social benefits from punishing and found that punishers are more trustworthy, group focused, and worthy of respect than non-punishers in dyadic trust games following public goods games.

TL;DR: In this article, the authors introduce the basics of biological markets and how they relate to traditional models of cooperation, and then elucidate their impact on human cooperation, especially in the tasks of choosing partners, competing over partners, and keeping partners.

TL;DR: It is found that national parasite stress and individual disgust sensitivity relate more strongly to adherence to traditional norms than they relate to support for barriers between social groups, which suggests that the relationship between pathogens and politics reflects intragroup motivations more than intergroup motivations.