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Regulation of Charlatans in High-Skill Professions

Listed author(s):
  • Jonathan B. Berk
  • Jules H. van Binsbergen

We model a market for a skill that is in short supply and high demand, where the presence of charlatans (professionals who sell a service that they do not deliver on) is an equilibrium outcome. We use this model to evaluate the standards and disclosure requirements that exist in these markets. We show that reducing the number of charlatans through regulation decreases consumer surplus. Although both standards and disclosure drive charlatans out of the market, consumers are worse off because of the resulting reduction in competition amongst producers. Producers, on the other hand, strictly benefit from the regulation, implying that the regulation we observe in these markets likely derives from producer interests. Using these insights, we study the factors that drive the cross-sectional variation in charlatans across professions. Professions with weak trade groups, skills in larger supply, shorter training periods and less informative signals regarding the professional's skill, are more likely to feature charlatans.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 23696.

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Date of creation: Aug 2017
Handle: RePEc:nbr:nberwo:23696
Note: AP CF LE LS
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