Proxy wars are a key pattern of political conflict and interstate competition. Rather than resorting to direct … the double principal-agent relationship predicts the continuation of conflict and thus the emergence of peace. …

status quo exacerbates the players' conflict of interest and decreases the responsiveness of the bargaining outcome to the …

burst out between Russia and Ukraine in 2014. I find that the conflict strongly reduced online cooperation between Russian … conflict makes national diversity more salient among existing and potential team members. I exploit this natural experiment to …, the world's largest hosting platform for software projects, I estimate the causal impacts of a political conflict that …

We investigate the scope for cooperation within a community engaged in repeated reciprocal interactions. Players seek … ranking profiles that are most effective in sustaining cooperation in equilibrium, that is, profiles that support full … cooperation in equilibrium under the largest set of parameters. These are the profiles that spread the costs of helping others …

Social interactions predominantly take place under the shadow of the future. Previous literature explains cooperation … paper provides a causal test of the importance of social preferences for cooperation, varying the composition of …-registered experiments (N = 1,074), we show that groups of prosocial individuals achieve substantially higher levels of cooperation. The …