Issues surrounding cannabis legalization have been a focus in recent years, and he recently co-authored the 2 nd edition of his book Marijuana Legalization: What Everyone Needs to Know (Oxford University Press). Caulkins specializes in systems analysis of problems pertaining to drugs, crime, terror, violence and prevention, work that earned him the David Kershaw Award from the Association of Public Policy Analysis and Management, a Robert Wood Johnson Health Investigator Award and the INFORMS President’s Award.
