Extensive cooperation among unrelated individuals is unique to humans, who often sacrifice
personal benefits for the common good and work together to achieve what they are unable …

Trust is a key aspect of various social interactions. Correspondingly, trust has been heavily
studied across different scientific disciplines. However, an integration of the diverse research …

This paper examines whether propaganda broadcast over radio helped to change
interethnic attitudes in postgenocide Rwanda. We exploit variation in exposure to the …

Moralistic punishment can confer reputation benefits by signaling trustworthiness to
observers. However, why do people punish even when nobody is watching? We argue that …

Four experiments were conducted to investigate the implications of 'substantive'responses
for the repair of trust following a violation and the cognitive processes that govern how and …

Numerous experiments have shown that people often engage in third-party punishment
(3PP) of selfish behavior. This evidence has been used to argue that people respond to …

Social norms involve observation by others and external sanctions for violations, whereas
moral norms involve introspection and internal sanctions. To study such norms and their …

This paper investigates managerial discretion in compensation decisions in a team setting,
in which a measure of the team's aggregate performance is readily available from the …

Punishers can benefit from a tough reputation, where future partners cooperate because
they fear repercussions. Alternatively, punishers might receive help from bystanders if their …

The human ability to establish cooperation, even in large groups of genetically unrelated
strangers, depends upon the enforcement of cooperation norms. Third-party punishment is …