Seminars & Events
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 Prof. Imran Rasul: “Crime and the Depenalization of Cannabis Possession”University College London, United Kingdom Authors: Jérôme Adda, Brendon McConnell, and Imran Rasul Abstract: We evaluate the impact on crime of a localized policing experiment that depenalized the possession of small quantities of cannabis in the London borough of Lambeth. Theory suggests such a policy will: (i) impact the size of the market for cannabis in Lambeth as well as neighboring boroughs as drug users move to Lambeth to purchase cannabis; (ii) allow the police to reallocate effort towards other types of crime. We investigate whether such changing crime patterns are observed during and after the depenalization policy is introduced in Lambeth using administrative records on criminal offences by drug type, by specific drug offences that proxy demand and supply side criminal activities, and for seven types of non-drug crime. We find that depenalization in Lambeth led to an increase in cannabis possession offences that persisted well after the policy experiment ended. Half of the increase is attributable to drugs tourism into Lambeth from neighboring boroughs after depenalization. We find little evidence that the policy caused the police to reallocate effort towards Class-A drug crime, rather the evidence suggests the police in Lambeth reallocate their effort towards non-drug crime: there are significant reductions in five non-drug crime types, and significant improvements in police effectiveness against such crimes as measured by arrest and clear-up rates. These nuanced results provide new insights for the current policy debate on the regulation of illicit drugs markets. Full Text: “Crime and the Depenalization of Cannabis Possession: Evidence from a Policing Experiment” |
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