Social and Behavioral Sciences Commons^™

Examining The Effects Of Legalizing Marijuana In Colorado And Washington On Clearance Rates: A Quasi-Experimental Design, Cody Jorgensen, Alexis J. Harper

Criminal Justice Faculty Publications and Presentations

Objective This study follows the lead of Makin et al. (Police Quarterly 22(1): 31–55, 2019) who found that marijuana legalization is associated with a marginal increase in clearance rates for some crimes but not for others.

Methods We build on their work attempting to replicate their findings by using the synthetic control method and fixed-effects models. A 50-state panel data set was constructed and analyzed. The dependent variables were aggregated violence and property crime rates. The independent variable was dichotomously measured recreational marijuana legislation.

Results Marijuana legalization is not a meaningful avenue of increasing clearance rates.

Conclusion The synthetic …