actions in games, based on a structural econo- metric model of non-equilibrium behavior in games. The model is based pri …-player guessing games. The application illustrates the empirical relevance of the main features of the model. …

Human cooperation, occurring without reciprocation and between unrelated individuals in large populations, represents … evidence for lower cooperation (i) when exposed to social information about peer cooperation levels than without such … observed cooperation was more likely to be caused by participants' general propensity to cooperate than by the effect of social …