Regulation of Charlatans in High‐Skill Professions

Jonathan B. Berk and Jules H. van Binsbergen

Journal of Finance, 2022, vol. 77, issue 2, 1219-1258

Abstract: We model a market for a skill in short supply and high demand, where the presence of charlatans (professionals who sell a service they do not deliver on) is an equilibrium outcome. In the model, reducing the number of charlatans through regulation lowers consumer surplus because of the resulting reduction in competition among producers. Producers can benefit from this reduction, potentially explaining the regulation we observe. The effect on total surplus depends on the type of regulation. We derive the factors that drive the cross‐sectional variation in charlatans (regulation) across professions.

Date: 2022
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https://doi.org/10.1111/jofi.13112

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