significant part of criminal peer exposure happens in prison, directly influenced by policymakers. This paper provides a broader … understanding of how peer effects shape criminal behavior among prison inmates, focusing on co-inmate impacts on recidivism and … criminal network formation. Using Norwegian register data on over 140,000 prison spells, we causally identify peer effects …

increases recidivism. -- Crime ; prison ; deterrence …We use a unique data set on post-release behavior of former Italian inmates to estimate the effect of prison conditions … on recidivism. By combining different sources of data we exploit variation in prison conditions measured by: 1) the …