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Title: Adolescent Alcohol and Marijuana Consumption: Is there Really a Gateway Effect?
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Pacula, Rosalie Liccardo |
Adolescent Alcohol and Marijuana Consumption: Is there Really a Gateway Effect? NBER Working Paper No. 6348, National Bureau of Economic Research, January, 1997. Also: http://nber.nber.org/papers/W6348 Cohort(s): NLSY79 Publisher: National Bureau of Economic Research (NBER) Keyword(s): Alcohol Use; Cigarette Use (see Smoking); Drug Use; Heterogeneity; Modeling; Substance Use This research analyzes the contemporaneous and intertemporal relationship between the demands for alcohol and marijuana by youths and young adults. A general theory of multi-commodity habit formation is developed and tested using data from the 1983-1984 waves of the National Longitudinal Survey of Youth. An Adjusted Tobit specification is employed for estimating the empirical model. Habit persistence is distinguished from unobserved heterogeneity through a reduced form instrumental variable technique. The results show that higher beer prices significantly reduce the demand for both alcohol and marijuana, indicating a contemporaneous complementarity between these two substances even after controlling for commodity-specific habit formation. Further, prior use of alcohol and cigarettes significantly increases the likelihood of currently using marijuana, providing evidence in support of the gateway hypothesis. Full-text available on-line:http://nber.nber.org/papers/W6348 |
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Bibliography Citation
Pacula, Rosalie Liccardo. "Adolescent Alcohol and Marijuana Consumption: Is there Really a Gateway Effect?" NBER Working Paper No. 6348, National Bureau of Economic Research, January, 1997. |