Altruistic punishment is a fundamental driver for cooperation in human interactions. In this paper, we expand our understanding of this form of costly punishment to help explain a puzzle of voting behavior: why do people who are indifferent between two potential policy outcomes of an election...

Altruistic punishment is a fundamental driver for cooperation in human interactions. In this paper, we expand our understanding of this form of costly punishment to help explain a puzzle of voting behavior: why do people who are indifferent between two potential policy outcomes of an election...

In this paper we study the political economy determinants of traffic fines. Speeding tickets are not only determined by the speed of the offender, but by incentives faced by police officers and their vote maximizing principals. Our model predicts that police officers issue higher fines when...

We report data from public goods games showing that privately-implemented punishment reduces cooperation in relation to a baseline treatment without punishment. When that same incentive is implemented publicly, however, cooperation is sustained at significantly higher rates than in either the...

Development of human societies requires cooperation among unrelated individuals and obedience to social norms. Although punishment is widely agreed to be potentially useful in fostering cooperation, many recent results in psychology and economics highlight punishments' failures in this regard....