the commons games, and determine the effect of assortativity on the emergence and stability of cooperation. …Cooperation in social dilemmas plays a pivotal role in the formation of systems at all levels of complexity, from … stability of cooperation pose an evolutionary conundrum, since cooperation, though beneficial to others, is costly to the …

revealing of identities. Using a laboratory experiment, we implement a 20% donation share that is dependent on participants … end of the experiment leads to higher contributions to the public good. Non-parametric statistics indicate that when …

considered as a promising solution to resolve the social dilemma problem. However, previous research showed that cooperation …

, the extent to which the Nash threat leads to Pareto-improving extraction levels. Through our experiment, we confirm the …

-cooperative strategic games. Cooperation models, such as ERC and inequality aversion, yield superior predictions compared to the standard … account well for the observed fairness and cooperation in all the tested games. The impressive predictions of the theory … promoting fairness and cooperation in the discussed games is only marginal. Strikingly, the Golden Ratio, known for its …

factors that are known to affect cooperation levels, and in so doing replicate and extend previous empirical research on … individual level using multiple methods, and at multiple times during the experiment. With this rich set of predictor variables …

cooperation flourish, and withholding punishment makes cooperation collapse. In less cooperative social environments, where … antisocial punishment has been detected, punishment was detrimental to cooperation. The success of punishment in enhancing … cooperation was explained as deterrence of free riders by cooperative strong reciprocators, who were willing to pay the cost of …