Do individuals trained in law enforcement punish or reward differently from typical student subjects? We analyze norm enforcement behavior of newly appointed police commissioners in both a Voluntary Contribution Mechanism game and a Common Pool Resource game. Our experimental design includes...

We implement a one-week partial sleep restriction protocol to investigate the effect of sleep deprivation on joint production in a standard voluntary contributions mechanism (VCM) experiment. Additionally, the effect of sleep restriction on an individual's likelihood of sending costly peer...

Cooperation among people who are not related to each other is sustained by the availability of punishment devices which help enforce social norms (Fehr and Gc̃hter, 2002). However, the rationale for costly punishment remains unclear. This paper reports the results of an experiment investigating...