I discuss economic approaches to the demand for harmfully addictive substances and estimate time-series demand functions for the period from 1975 through 2003. My estimates suggest that changes in price can explain a good deal of the observed changes in cigarette smoking, binge alcohol drinking,...

In recent years, the debate over the costs and benefits of legalizing the use of currently illicit drugs has been revived. This paper attempts to inform this debate by providing some evidence on the effects of illicit drug prices and legal sanctions for drug possession and sale on youth drug...

This paper contains the first estimates of the price sensitivity of the prevalence of youth marijuana use. Survey data on marijuana use by high school seniors from the Monitoring the Future Project are combined with data on marijuana prices and potency from the Drug Enforcement Administration...