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Estimating earnings in an information-poor market : the case of crack cocaine
Lee, Li Way, (1999)
An economic analysis of a drug-selling gang's finances
Levitt, Steven D., (2000)
The emergence of crack cocaine and the rise in urban crime rates
Grogger, Jeff, (2000)
Optimal management of bank reserves
Brown jr., George F., (1972)
AMERICANS AND DRUG ABUSE : REPORT FROM THE ASPEN CONFERENCE / ED. BY CHRISTIAN KRYDER ..
KRYDER, CHRISTIAN, (1977)
The facts about "drug abuse"
(1980)