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 …

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 …

paradigmatic core of normative institutional economics: how can potential gains from coop-eration be realised by way of … institutional policy are de-rived: (1) the realisation of gains from cooperation as the normative, regulative idea, (2) in …