1. The Economics of Crime: Investigating the Drugs-Crime Channel Empirical Evidence from Panel Data of the German States, Wurzburg Economic papers, n. 29;Entorf,2001
2. The economics of heroin;Holahan,1972
3. Drug Treatment as a Crime Fighting Tool;Jofre-Bonet,2002
4. Vertical restraints in European competition policy;Kay;European Economic Review,1990
5. Would harassing drug users work;Lee;Journal of Political Economy,1993