An extensive set of self-reported survey data exists on illegal drug use. The survey data show that drug use is quite frequent among the younger adult population, relatively infrequent among those of high-school age, and rare among middle-aged and older adults. Drug use varies by occupational...

This study, using microdata from the 1980 and 1984 waves of the National Longitudinal Survey of Youth, examines the effects of drug use on wages and employment. Contrary to most previous researchers' findings that illegal drug use negatively affects earnings, this analysis suggests that, once an...