Marijuana Law, Policy & Reform

Editor: Douglas A. Berman
Moritz College of Law

Wednesday, September 4, 2019

"Not in my backyard? Not so fast. The effect of marijuana legalization on neighborhood crime"

The title of this post is the title of this new research appearing in the journal Regional Science and Urban Economics authored Jeffrey Brinkman and David Mok-Lamme. Here is its abstract:

This paper studies the effects of marijuana legalization on neighborhood crime and documents the patterns in retail dispensary locations over time using detailed micro-level data from Denver, Colorado.  To account for endogenous retail dispensary locations, we use a novel identification strategy that exploits exogenous changes in demand across different locations arising from the increased importance of external markets after the legalization of recreational marijuana sales.  The results imply that an additional dispensary in a neighborhood leads to a reduction of 17 crimes per month per 10,000 residents, which corresponds to roughly a 19 percent decline relative to the average crime rate over the sample period.  Reductions in crime are highly localized, with no evidence of spillover benefits to adjacent neighborhoods.   Analysis of detailed crime categories provides insights into the mechanisms underlying the reductions.

https://lawprofessors.typepad.com/marijuana_law/2019/09/not-in-my-backyard-not-so-fast-the-effect-of-marijuana-legalization-on-neighborhood-crime.html

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