@techreport{NBERw12932,
 title = "Building Criminal Capital behind Bars: Peer Effects in Juvenile Corrections",
 author = "Patrick Bayer and Randi Hjalmarsson and David Pozen",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12932",
 year = "2007",
 month = "February",
 URL = "http://www.nber.org/papers/w12932",
}