Ever since the beginning of the American state’s so-called war on drugs, there has been a significant increase in drug potency, which resembles the trend that occurred during alcohol prohibition in the twentieth century. However, what causes such trends?

We gain some insight from the Alchian-Allen theorem, which tells us that increases in drug potency occur in response to changes in the cost and incentive structure. Often, this is a result of drug-enforcement legislation.

The Alchian-Allen Theorem

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