Threshold quantities (TQs) for drug law and policy are being experimented with across many jurisdictions. States seem attracted to their apparent simplicity and use them to determine, for example, whether: a possession or supply offence is made out (e.g. Greece); a matter should be diverted away...

The uncertainties associated with the precise nature of legalization regimes and with their expected outcomes sometimes are used to justify the maintenance of drug prohibition. This paper details the role that buyer licensing and exclusion might play in implementing a low-risk, post-prohibition...

This paper argues the case for the legalization of addictive drugs such as marijuana, cocaine, and heroin. It maintains that there are no “market failures” which could justify a banning of these substances, and that, as in the earlier historical case of prohibition of alcohol, our present...

Economics deals with the allocation of scarce resources in a society with unlimited desires. When resources become scarce, people face difficult choices. This general concept holds true in the field of drug addiction treatment as well. Since drug use and its consequences are associated with...