RT Book T1 Crime, urban flight, and the consequences for cities T2 Working paper series / National Bureau of Economic Research JF Working paper A1 Cullen, Julie Berry 19XX- A2 Levitt, Steven D. 1967- LA English PP Cambridge, Mass. PB National Bureau of Economic Research YR 1996 UL https://krimdok.uni-tuebingen.de/Record/1131482069 NO Literaturverz