We test the rational economic model of marginal deterrence of law enforcement - i.e., the need for graduating the penalty to the severity of the crime. We combine individual-level data on sentence length for a representative sample of US inmates with proxies for maximum punishment and monitoring...

This paper analyzes the effects of the "Nordic Model" of prostitution legislation adopted in Sweden in 1999, according to which buyers only are prosecuted. We focus on various measures of violence, distinguishing between known and unknown perpetrator, indoor and outdoor crimes, and on health...

Two countries set their enforcement non-cooperatively to deter native and foreign individuals from committing crime in their territory. Crime is mobile, ex ante (migration) and ex post (fleeing), and criminals hiding abroad after having com- mitted a crime in a country must be extradited back....