of fines on punishment and deterrence. Partial effects are effects on potential violators' and punishers' decisions when … punish, which in turn reduces the deterrence effect of high fines. Using a laboratory experiment, we identify these effects …

punishment, so that they increase overall welfare? We report an experiment in which players can issue non-binding threats to … their actual punishment level. We find that threats increase the level of contributions significantly. Efficiency is … punishment leads to lower threats, cooperation and welfare, restoring them to levels equal to or below the levels attained in the …

in biology and the social sciences. Recent experimental evidence suggests that altruistic punishment is an important … mechanism to maintain cooperation among humans. In this paper we explore the boundary conditions for altruistic punishment to … maintain cooperation by systematically varying the cost and impact of punishment, using a subject pool which extends beyond the …

interaction effects. We conduct an experiment that avoids theidentification problem present in the field. Our novel design feature …

welfare is reduced is that punishment can express anger about free-riding. If this is the case, then tools that regulate … aggression. In this lab experiment, we find that adopting an objective attitude (Objective), through a form of emotion regulation …

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

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

We provide a direct test of the role of social preferences in voluntary cooperation. We elicit individuals' cooperation … preference in one experiment and make a point prediction about the contribution to a repeated public good. This allows for a … novel test as to whether there are types of players who behave consistently with their elicited preferences. We find clear …

actions of bad actors. However, in many situations bad acts go undetected and unknown to others.We use a lab experiment to …