New research shows crime rates dropped substantially in areas with marijuana dispensaries, running counter to fears that pot shops drum up crime. The study, published this month in the journal of Regional Science and Urban Economics, analyzed crime data from Denver between January 2013 and December 2016. Colorado, which legalized medical marijuana nearly two decades ago, kicked off sales of recreational pot in 2014. ”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...