Jonathan P. Caulkins

Marijuana Legalization: What Everyone Needs to Know®

Marijuana Legalization

What Everyone Needs to Know : Marijuana Legalization

Future of Fentanyl and Other Synthetic Opioids

What America's Users Spend on Illegal Drugs, 2006-2016

Drug Policy and the Public Good

Drugs and Drug Policy

Reducing Drug Trafficking Revenues and Violence in Mexico: Would Legalizing Marijuana in California Help? (Occasional Paper)