Why do states choose multilateralism? We develop three theories that could explain this choice: a principal-agent model in which states trade some control over the policy for greater burden sharing; a normative logic of appropriateness; and hegemonic self-binding in which powerful states seek to...

While most existing theoretical and experimental literatures focus on how a high probability of repeated play can lead to more socially efficient outcomes (for instance, using the result that cooperation is possible in a repeated prisoner's dilemma), this paper focuses on the detrimental effects...

Monoamine oxidase A gene (MAOA) has earned the nickname ‘warrior gene’ because it has been linked to aggression in observational and survey-based studies. However, no experiments have tested whether the ‘warrior gene’ actually drives behavioral manifestations of these tendencies,...

Combating climate change requires large economic adjustments with significant distributional implications. To build coalitions of support, scholars and policymakers propose compensating individuals who will bear decarbonization's costs. What are the determinants of public opinion regarding...