We develop a model relating self-control, risk preferences and conflict identification to cooperation patterns in … social dilemmas. We subject our model to data from an experimental public goods game and a risk experiment, and we measure … cooperation, and the association is weaker for more risk-averse individuals. Free riders differ from other contributor types only …

a prisoner's dilemma game affects behavior and leads to discrimination. Running a framed field experiment with 828 six …- to eleven-year old primary school children in the city of Meran, we find that cooperation generally increases with age …, but that the gap between cooperation among in-group members and cooperation towards children speaking another language is …

We develop a model that relates self-control and conflict identification to cooperation patterns in social dilemmas. As … predicted, we find in a laboratory public goods experiment a robust association between stronger self-control and higher levels … of cooperation. This means that there is evidence for an impulse to be selfish and that cooperative behavior requires …

. Cooperation is highest in groups in which there is a mix of juniors and seniors, suggesting that there are indeed benefits in …