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Alessandro Gavazza, LSE Print
Tuesday, 27 October 2015, 14:00 - 15:15

Alessandro Gavazza, LSE

A Quantitative Analysis of the Retail Market for Illicit Drugs

Abstract: We estimate a model of illicit drugs markets using data on purchases of crack cocaine. Buyers are searching for high-quality drugs, but they determine drugs’ quality (i.e., their purity) only after consuming them. Hence, sellers can rip off first-time buyers or can offer higher-quality drugs to induce buyers to purchase from them again. In equilibrium, a distribution of qualities persists. The estimated model implies that sellers’ moral hazard reduces the average purity of drugs by approximately 20 percent and increases its dispersion more than fourfold. Moreover, increasing penalties may increase the purity and affordability of the drugs traded because doing so increases sellers’ relative profitability of targeting loyal buyers versus first-time buyers. 

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