State Drug Policy Effectiveness: Comparative Policy Analysis of Drug Overdose Mortality

Jarrod Olson, Po-Hsu Allen Chen, Marissa White, Nicole Brennan and Ning Gong

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Abstract: Opioid overdose rates have reached an epidemic level and state-level policy innovations have followed suit in an effort to prevent overdose deaths. State-level drug law is a set of policies that may reinforce or undermine each other, and analysts have a limited set of tools for handling the policy collinearity using statistical methods. This paper uses a machine learning method called hierarchical clustering to empirically generate "policy bundles" by grouping states with similar sets of policies in force at a given time together for analysis in a 50-state, 10-year interrupted time series regression with drug overdose deaths as the dependent variable. Policy clusters were generated from 138 binomial variables observed by state and year from the Prescription Drug Abuse Policy System. Clustering reduced the policies to a set of 10 bundles. The approach allows for ranking of the relative effect of different bundles and is a tool to recommend those most likely to succeed. This study shows that a set of policies balancing Medication Assisted Treatment, Naloxone Access, Good Samaritan Laws, Medication Assisted Treatment, Prescription Drug Monitoring Programs and legalization of medical marijuana leads to a reduced number of overdose deaths, but not until its second year in force.

Date: 2019-09, Revised 2020-10
New Economics Papers: this item is included in nep-cmp and nep-hea
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1909.01936

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