A new approach to formulating and appraising drug policy: A multi-criterion decision analysis applied to alcohol and cannabis regulation

Ole Rogeberg*, Daniel Bergsvik, Lawrence D Phillips, Jan van Amsterdam, Niamh Eastwood, Graeme Henderson, Micheal Lynskey, Fiona Measham, Rhys Ponton, Steve Rolles, Anne Katrin Schlag, Polly Taylor, David Nutt

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

14 Citations (Scopus)
212 Downloads (Pure)

Abstract

BACKGROUND: Drug policy, whether for legal or illegal substances, is a controversial field that encompasses many complex issues. Policies can have effects on a myriad of outcomes and stakeholders differ in the outcomes they consider and value, while relevant knowledge on policy effects is dispersed across multiple research disciplines making integrated judgements difficult.

METHODS: Experts on drug harms, addiction, criminology and drug policy were invited to a decision conference to develop a multi-criterion decision analysis (MCDA) model for appraising alternative regulatory regimes. Participants collectively defined regulatory regimes and identified outcome criteria reflecting ethical and normative concerns. For cannabis and alcohol separately, participants evaluated each regulatory regime on each criterion and weighted the criteria to provide summary scores for comparing different regimes.

RESULTS: Four generic regulatory regimes were defined: absolute prohibition, decriminalisation, state control and free market. Participants also identified 27 relevant criteria which were organised into seven thematically related clusters. State control was the preferred regime for both alcohol and cannabis. The ranking of the regimes was robust to variations in the criterion-specific weights.

CONCLUSION: The MCDA process allowed the participants to deconstruct complex drug policy issues into a set of simpler judgements that led to consensus about the results.

Original languageEnglish
Pages (from-to)144-152
Number of pages9
JournalInternational Journal of Drug Policy
Volume56
Early online date17 Feb 2018
DOIs
Publication statusPublished - Jun 2018

Keywords

  • Drug policy
  • Multi-criterion decision analysis
  • Alcohol
  • Cannabis

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