understanding of how peer effects shape criminal behavior among prison inmates, focusing on co-inmate impacts on recidivism and … experienced co-inmates increases recidivism. Second, exposure to "top criminals" (i.e. those with extreme levels of criminal … experience) plays a distinctive role in shaping these recidivism patterns. Third, inmates form lasting criminal networks, as …

We present evidence on the effect of greater numbers of police personnel on crime and nuisance reduction in the … regions, allowing us to use this policy intervention to identify the effect of police on crime and nuisance. We control for … regional economic, social and demographic factors and for national trends that might obscure the effect of police on crime. We …

We provide evidence about voters' response to crime control policies. We exploit a natural experiment arising from the … individuals have a higher incentive to recidivate experienced higher recidivism. Moreover, in these municipalities: i) newspapers … were more likely to report crime news involving pardoned individuals; ii) voters held worse beliefs on the incumbent …