Cannabis legalization: a call for the integration of main health and crime indicator domains towards comprehensive policy impact assessments

Several jurisdictions have implemented legalization policies for non-medical cannabis, mainly towards improving public health and reducing illegal cannabis markets and crime. As some legalization initiatives are approaching maturity, conducting policy impact assessments has become timely. Emerging data, however, suggest rather mixed pictures for key outcomes and indicators. While many key health-related indicators show increases in adverse outcomes, improvements are shown for main crime-related outcomes associated with legalization. However, legalization policies are evaluated predominantly by utilizing separate approaches for the health outcomes and crime-related indicators, while comprehensive policy assessments require meaningful integration of all related indicators. We provide suggestions for an integrated approach to assessing cannabis legalization policies concerning health and crime-related outcomes. This approach is also valuable for policymakers and other stakeholders to create an empirical basis for relative valuations and choices regarding cannabis legalization’s main policy outcomes.