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Title: Is There a Stepping Stone Effect in Drug Use? Separating State Dependence from Unobserved Heterogeneity Within and Between Illicit Drugs
Resulting in 1 citation.
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Deza, Monica |
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Is There a Stepping Stone Effect in Drug Use? Separating State Dependence from Unobserved Heterogeneity Within and Between Illicit Drugs Journal of Econometrics 184,1 (January 2015): 193-207. Also: http://www.sciencedirect.com/science/article/pii/S030440761400181X Cohort(s): NLSY97 Publisher: Elsevier Keyword(s): Alcohol Use; Drug Use; Geocoded Data; Heterogeneity; Modeling; Substance Use Empirically, teenagers who use soft drugs are more likely to use hard drugs in the future. This pattern can be explained by a causal effect (i.e., state dependence between drugs or stepping-stone effects) or by unobserved characteristics that make people more likely to use both soft and hard drugs (i.e., correlated unobserved heterogeneity). I estimate a dynamic discrete choice model of alcohol, marijuana and hard drug use over multiple years, and separately identify the contributions of state dependence (within and between drugs) and unobserved heterogeneity. I find statistically significant "stepping-stone" effects from softer to harder drugs, and conclude that alcohol, marijuana and hard drugs are complements in utility. |
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Bibliography Citation
Deza, Monica. "Is There a Stepping Stone Effect in Drug Use? Separating State Dependence from Unobserved Heterogeneity Within and Between Illicit Drugs." Journal of Econometrics 184,1 (January 2015): 193-207.
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