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

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 …

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 …

individual's likelihood of sending costly peer punishment is examined. Actigraphy sleep monitoring watches are used to validate … production in a standard voluntary contributions mechanism (VCM) experiment. Additionally, the effect of sleep restriction on an …-parametric as well as regression analysis, we find that when punishment is not available, sleep restriction does not affect the …

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

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 …

This paper introduces new experimental designs to enrich understanding of conditional cooperation and punishment in … public good games. The key to these methods is to elicit complete contribution or punishment profiles using the strategy … contribute more unequally. Contingent punishment strategies are found to increase with decreasing contributions by the target …

punishment in a social dilemma. Emotional reaction to free-riding incites individuals to apply sanctions when they are available …