cooperation is shaped by the way information about risk is presented (from description or from experience) and by differences in … lotteries with equivalent levels of risk. Cooperation rates in games vary with different levels of risk across decision … stochastic social dilemmas than in the lotteries. The findings highlight how an uncertain environment shapes cooperation and call …

Studies analyzing the importance of intra- and inter-regional cooperation for regional innovation performance are … mainly of qualitative nature and focus strongly on the positive effects that high levels of cooperation can yield. For the …-empirical analysis taking into account the possibility of negative effects related to regional lock-in, lock-out, and cooperation …

and impact of norms with regard to coordination and cooperation. However, the issue of norm-related conflict deserves more …

We report on an experiment designed to explore whether and how anger affects future levels of cooperation. Participants … that although anger has a lasting negative effect on cooperation, giving voice to it helps to curtail selfishness. …

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

We study conditional cooperation based on a sequential two-person linear public good game in which a trusting first … conditions of a strong norm of conditional cooperation. Punishment is generally low, it is higher when not delayed and it is not …

Unlike previous attempts to implement cooperation in a prisoners' dilemma game with an infinite horizon in the … cooperation in all but the last round. Our four main experimental treatments distinguish long versus short horizon and strict …, according to our results, only a strict additional equilibrium increases cooperation rate for a given time horizon. As expected …

anonymous, subjects are better at predicting second-stage behavior, and maintain a substantially higher level of cooperation. …

with 50% probability. In the tradition of Folk Theorems we show that both, mutual defection and mutual cooperation until …