Early Evidence on Recreational Marijuana Legalization and Traffic Fatalities

Hansen, Benjamin; Miller, Keaton; Weber, Caroline

doi:10.3386/w24417

Cited by 31 publications

(37 citation statements)

References 26 publications

(35 reference statements)

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“…As one approach to address this concern, we select an alternate donor pool that includes states that had never adopted a SIPO or had adopted a SIPO but had 4 or fewer days of post-treatment data, meaning that likely at least half of all individuals infected post-SIPO had not yet reached the median incubation period (Lauer et al 2020). However, this restriction to the donor pool has its own limitation: only 10 states had not Choosing a counterfactual based only on pre-treatment outcomes has a number of advantages (Hansen et al 2020). Given a long enough pre-treatment window, matching on covariates and matching on outcomes will produce similar results.…”

Section: Synthetic Control Designmentioning

confidence: 99%

Did California’s Shelter-in-Place Order Work? Early Coronavirus-Related Public Health Effects

et al. 2020

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Section: Synthetic Control Designmentioning

confidence: 99%

Did California’s Shelter-in-Place Order Work? Early Coronavirus-Related Public Health Effects

et al. 2020

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“…General beneficial effects are found on crime (Carrieri et al 2019, Shephard and Blackely 2016, Brinkman and Mok-Lamme 2017 Jacobson 2017, Gavrilova et al 2017, Chu and Townsend 2018, and Dragone et al 2018, and also on the labor supply of older adults (Nicholas and Maclean 2019). More controversial effects or no effects are found on some health-related outcomes such as traffic fatalities (Anderson et al 2013;Hansen et al 2018), teenager use (Lynne-Landsman et al 2013), body weight and obesity (Sabia et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Do-it-Yourself Medicine? The Impact of Light Cannabis Liberalization on Prescription Drugs

2019

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This paper provides the first analysis of "Do-it-Yourself Medicine" concerning marijuana consumption by studying the effects of the unintended liberalization of light cannabis that took place in Italy in 2016 on prescription drugs sales. Using a unique and high-frequency dataset on monthly sales of drugs and the location of light cannabis retailers and adopting a staggered DiD research design, we find that the local market accessibility of light cannabis led to a reduction in dispensed packets of opioids, anxiolytics, sedatives, anti-migraines, antiepileptics, anti-depressives and anti-psychotics. This calls for an effective regulation of the market and a proper evaluation of the use of light cannabis for medical purposes.JEL Codes: H51, H75, I18, K32, K42.

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“…Several studies have dealt with the effects of legalization, by studying its impact on crime (Adda et al 2014, Shephard and Blackely 2016, Brinkman and Mok-Lamme 2017, Gavrilova et al 2017, Hansen et al 2017, and Dragone et al 2018, health outcomes (DiNardo and Lemieux 2001, Wen et al 2015, Sabia et al 2017, consumption (Jacobi and Sovinsky 2016), and the presence of spillover effects, such as school and academic attainment (Plunk et al 2016, Marie andZolitz 2017), housing prices (Cheng et al 2018), and traffic fatalities (Anderson et al 2013, Hansen et al 2018, in-migration (Zambiasi and Stillman 2018).…”

Section: Introductionmentioning

confidence: 99%

Light cannabis and organized crime: Evidence from (unintended) liberalization in Italy

Carrieri

Madio

Principe

2019

European Economic Review

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The effect of marijuana liberalization on crime is object of a large interest by social scientists and policy-makers. However, due to the scarcity of relevant data, the displacement effect of liberalization on the supply of illegal drugs remained substantially unexplored. This paper exploits the unintended liberalization of cannabis light (C-light, i.e. with low THC) occurred in Italy in December 2016 by means of a legislative gap, to assess its effect in a quasi-experimental setting. Although the liberalization interested all the Italian territory, the intensity of liberalization in the short-run varied according to the pre-liberalization market configuration of grow-shops, i.e. shops selling industrial canapa-related products that have been able to first place the canapa flowers (C-light) on the new market. We exploit this variation in a Differences-inDifferences design using a unique dataset on monthly confiscations of drugs at province level (NUTS-3 level) over the period 2016-2018 matched with data on the geographical location of shops and socio-demographic variables. We find that the legalization of C-light led to a reduction of 12% of confiscation of marijuana per each pre-existing grow-shop and a significant reduction of other canapa-derived drugs (plants of cannabis and hashish). Back-to-envelope calculations suggest that forgone revenues for criminal organizations amount to at least 160-200 million Euros per year. These results support the argument that, even in a short period of time and with an imperfect substitute, the organized crime's supply of illegal drugs is displaced by the entry of official and legal retailers.

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Early Evidence on Recreational Marijuana Legalization and Traffic Fatalities

Cited by 31 publications

References 26 publications

Did California’s Shelter-in-Place Order Work? Early Coronavirus-Related Public Health Effects

Did California’s Shelter-in-Place Order Work? Early Coronavirus-Related Public Health Effects

Do-it-Yourself Medicine? The Impact of Light Cannabis Liberalization on Prescription Drugs

Light cannabis and organized crime: Evidence from (unintended) liberalization in Italy

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