TY  - JOUR
AU  - DiNardo,John
AU  - Lemieux,Thomas
TI  - Alcohol, Marijuana, and American Youth: The Unintended Effects of Government Regulation
JF  - National Bureau of Economic Research Working Paper Series
VL  - No. 4212
PY  - 1992
Y2  - November 1992
UR  - http://www.nber.org/papers/w4212
L1  - http://www.nber.org/papers/w4212.pdf
N1  - Author contact info:
John DiNardo
Ford School of Public Policy
5238 Weill Hall
University of Michigan
Ann Arbor, MI  48109-3091
Tel: 734/647-7843
Fax: 734/763-9181
E-Mail: jdinardo@umich.edu

Thomas Lemieux
Department of Economics
University of British Columbia
#997-1873 East Mall
Vancouver, BC V6T 1Z1
CANADA
Tel: 604/822-2092
Fax: 604/822-5915
E-Mail: thomas.lemieux@ubc.ca
AB  - This paper analyzes the impact of increases in the minimum drinking age on the prevalence of alcohol and marijuana consumption among high school seniors in the United States. The empirical analysis is based on a large sample of students from 43 states over the years 1980- 1989. We find that increases in the minimum drinking age did reduce the prevalence of alcohol consumption. We also find, however, that increased legal minimum drinking ages had the unintended consequence of increasing the prevalence of marijuana consumption. We estimate a model based on the canonical theory of the consumer. Estimates from this model suggest that this unintended consequence is attributable to standard substitution effects. The estimates of the structural model also suggest that an increased drinking age helps create a climate of societal disapproval for all drug use, not only alcohol. We find that holding the consumption of alcohol constant, an increase in the drinking age reduces the prevalence of marijuana consumption. This effect is not large enough, however, to offset the large substitution toward marijuana induced by the decreased prevalence of alcohol consumption.
ER  -