Did you even read the study you cited? From the "Conclusions" section: > "With few exceptions and despite increasing investments in enforcement-based supply r

Did you even read the study you cited? From the "Conclusions" section: > "With few exceptions and despite increasing investments in enforcement-based supply reduction efforts aimed at disrupting global drug supply, illegal drug prices have generally decreased while drug purity has generally increased since 1990. These findings suggest that expanding efforts at controlling the global illegal drug market through law enforcement are failing."