for cooperation, this article proposes a novel theory in which the emergence of norms can be understood as a bargaining …

observe surprisingly high levels of cooperation and altruism within groups in conflict situations such as civil wars. We …

increase of cooperation, which is here extended to all two-player social dilemmas. In addition, we discuss the role of the …

together rather than investing separately. We study the coordination and cooperation problems that might hinder successful … partners for collaboration, while cooperation problems arise at the investment levels of partners who have already agreed to …. It is mostly found that if cooperation is successful in terms of investment, it is due to subjects being able to monitor …

Explaining human cooperation in large groups of non-kin is a major challenge to both rational choice theory and the … theory of evolution. Recent research suggests that group cooperation can be explained by positing that cooperators can punish … information conditions, where cheating is less obvious, punishment is much less effective in enforcing cooperation. Evidently, the …

industries. The study is based on a new data source on subsidized R&D cooperation in Germany, which is presented in detail and …

In repeated public good experiments, reciprocity helps to sustain high levels of cooperation. Can this be achieved by … location. This mechanism of individually targeted sanctions helps to foster initial cooperation. It decreases over time …, however. Location choices are used to reciprocate, but may not suffice to stabilize voluntary cooperation as an effect …