A search-theoretic model of the retail market for illegal drugs is developed. Trade occurs in bilateral, potentially long-lived matches between sellers and buyers. Buyers incur search costs when experimenting with a new seller. Moral hazard is present because buyers learn purity only after a...

A search-theoretic model of the retail market for illegal drugs is developed. The model produces testable implications regarding the effect of interdiction and enforcement on: (a) the distribution of purity offered in equilibrium; and (b) the duration of the relationships between buyers and...

A search-theoretic model of the retail market for illegal drugs is developed. Trade occurs in bilateral, potentially long-lived matches between sellers and buyers. Buyers incur search costs when experimenting with a new seller. Moral hazard is present because buyers learn purity only after a...