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We study how a sharp expansion in Colombian cocaine production propagated internationally through global trade networks, generating substantial social costs. In Colombia, the production surge increased homicide rates by ...Read more...
Gianmarco Daniele, Adam Soliman and Juan Vargas
20 March 2026
In recent years, the majority of drug overdose deaths in the U.S. have involved illicitly-produced opioids (primarily heroin and fentanyl), overtaking prescription opioids as the main driver of the opioid epidemic. In th...Read more...
J. Travis Donahoe and Adam Soliman
4 February 2025