The Role of Diagnostic Ability in Markets for Expert Services

Category: Applied Microeconomics and Organization Seminar
When: 30 Oktober 2019
, 17:15
 - 18:30
Where: RuW 4.201

Abstract:

 

In credence goods markets, experts have better information about the appropriate quality of treatment than their customers. Experts may exploit their informational advantage by defrauding customers. Market institutions have been shown theoretically to be effective in mitigating fraudulent expert behavior. We analyze whether this positive result carries over when experts are heterogeneous in their diagnostic abilities. We find that efficient market outcomes are always possible. However, inefficient equilibria can also exist. When such inefficient equilibria are played, a larger share of high-ability experts may lead to more inefficiencies relative to the efficient equilibria.

 

 

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