期刊
JOURNAL OF BUSINESS & ECONOMIC STATISTICS
卷 28, 期 3, 页码 344-356出版社
AMER STATISTICAL ASSOC
DOI: 10.1198/jbes.2009.06129
关键词
Average treatment effect; Bootstrapping; Endogenous probit switching; Illicit drugs; Parametric and nonparametric specification analysis; Propensity score matching
This article uses the 2001 National Drug Strategy Household Survey to assess the impact of marijuana decriminalization policy on marijuana smoking prevalence in Australia. Both parametric and nonparametric methods are used. The parametric approach includes endogenous probit switchin2, two-part, sample selection, and standard dummy variable models, while the nonparametric approach uses propensity score stratification matching. Specification analyses are also conducted. A nonparametric kernel-based test is constructed to select between parametric and nonparametric models, and the likelihood ratio test is used to choose among parametric models. Our analyses favor the endogenous switching model where decriminalization increases the probability of smoking by 16.2%.
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