Because costly punishment is not credible, subgame perfection suggests that punishment will not deter free riding …, regardless of the size or structure of groups. However, experiments show that people will punish free riders, even at … strategies seen in the lab and use the simulation to develop hypotheses about why group size should matter when punishment is …

We present an economic experiment on network formation, in which subjects can decide to form links to one another …. Direct links are costly but being connected is valuable. The gametheoretic basis for our experiment is the model of Bala and …

in social dilemmas. Participants repeatedly choose between a community with and an alternative without punishment … opportunities. Within each community a social dilemma game is played. While the community with punishment grows over time and fully …

. In our laboratory experiment, we establish the existence of a significant efficiency premium of uniform wages. However …

efficient outcomes, provided they have sufficient freedom to choose their interaction neighborhood. We conduct experiments with …

We present an experiment on strategic thinking and behavior of individuals and teams in one-shot normal-form games …

promoting social norms. We show here, using experiments with human subjects, that public implementation of punishment can … punishment is widely agreed to be potentially useful in fostering cooperation, many recent results in psychology and economics … interests, we find that privately implemented punishment reduces cooperation relative to a baseline treatment without punishment …

We report evidence from public goods experiments with and without punishment which we conducted in Russia with 566 … because of its long history of collectivism, and a huge urban-rural gap. In contrast to previous experiments we find no … cooperation-enhancing effect of punishment. An important reason is that there is substantial spiteful punishment of high …