civilian casualties in the aftermath of the US invasion of Iraq between 2003 and 2009 and exploit within mother differences in …

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 …

unleashing technological change and through rituals, legal institutions, political economy, and conflict. Synthesizing a disjoint …

paper experimentally tests the efficacy of the "indenture game" and its implications for cooperation in oneshot environments …. We find that cooperation rates are high and stable over time. Its efficacy is moderated by expected losses due to the …

trust in EU institutions and programmes should be strengthened, and the cooperation between the non-profit organisation …

association members, the undertaken promotional actions in order to activate inhabitants, as well as the close cooperation with …

sufficient amount then cooperation is profitable. In order to facilitate cooperation the players reveal evidence to one another …. However, some players are concerned about privacy, and so revelation of evidence that does not result in cooperation is costly …

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 …

We show how sanctioning is more effective in increasing cooperation between groups than within groups. We study this … where ethnic identity is salient. Our results suggest that formal institutions for enforcing cooperation are more effective …