RT Article T1 The White/Black Educational Gap, Stalled Progress, and the Long Term Consequences of the Emergence of Crack Cocaine Markets A1 Evans, William N. A2 Moore, Timothy J. 1960- A2 Garthwaite, Craig LA English PB National Bureau of Economic Research YR 2012 UL https://krimdok.uni-tuebingen.de/Record/1912749149