@inbook{NBERc12083, Crossref = "NBERcook10-1", title = "Comment on "Institutional Requirements for Effective Imposition of Fines "", author = "David Alan Sklansky", BookTitle = "Controlling Crime: Strategies and Tradeoffs", Publisher = "University of Chicago Press", pages = "121-124", year = "2010", month = "July", URL = "http://www.nber.org/chapters/c12083", } @book{NBERcook10-1, title = "Controlling Crime: Strategies and Tradeoffs", author = "Philip Cook and Jens Ludwig and Justin McCrary", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2011", URL = "http://www.nber.org/books/cook10-1", }