Carpenter and Matthews (2009) examine the cooperation norms determining people's punishment behavior in a social … punishment. Using multiple punishment stages and self-contained episodes of interaction, we disentangle the effects of … retaliation and norm-related punishment. An additional treatment provides data on the norms bystanders use in judging punishment …

This paper provides evidence that free riders are heavily punished even if punishment is costly and does not provide … punished. As a consequence, the existence of an opportunity for costly punishment causes a large increase in cooperation levels … because potential free riders face a credible threat. We show, in particular, that in the presence of a costly punishment …

We analyze the interplay between cooperation norms and people's punishment behavior in a social-dilemma game with … multiple punishment stages. By combining multiple punishment stages with self- contained episodes of interaction, we are able … to disentangle the e ects of retaliation and norm-related punishment. An additional treatment provides information on the …

contribution rules related to efficiency, equality, and equity. In the experiment, in the absence of punishment no positive … contribution norm is observed and all groups converge towards free-riding. With punishment, strong and stable differences in …

bear a higher burden of punishment costs than non-police subjects. When the norm enforcement institution is endogenous, all …

to be both consistent across decisions and relatively stable over time. -- Experiment ; public-good ; punishment ; social …Carpenter and Matthews (2009) examine the cooperation norms determining people's punishment behavior in a social … punishment. Using multiple punishment stages and self-contained episodes of interaction, we disentangle the effects of …