Unga brottslingar påverkas i fängelset

finkanKan fängelsevistelser öka brottsligheten? Ja, enligt en ny studie av ungdomsbrottslingar i Florida, ”Building Criminal Capital behind Bars: Peer Effects in Juvenile Corrections”, publicerad i Quarterly Journal of Economics:

We find strong evidence of peer effects for burglary, petty larceny, felony and misdemeanor drug offenses, aggravated assault, and felony sex offenses. The influence of peers primarily affects individuals who already have some experience in a particular crime category.

Är det dags att fundera mer på alternativ till straff?