Information revelation in competitive markets

Maxim Ivanov

Economic Theory, 2013, vol. 52, issue 1, 337-365

Abstract: This paper analyzes a market with multiple sellers and horizontally differentiated products. We investigate the sellers’ incentives to reveal product relevant information that affects the buyer’s private valuation. The main finding is that if the number of sellers is sufficiently large, there is a unique symmetric equilibrium with full information disclosure. Thus, unlike the results by Lewis and Sappington (Int Econ Rev 35:309–327, 1994 ) and Johnson and Myatt (Am Econ Rev 93:756–784, 2006 ) for monopoly, which state that the monopolist reveals either full information or no information, intense competition results in a single extreme with respect to information disclosure. We show that the market is always inefficient, but the magnitude of inefficiency converges to zero at a high rate as competition intensifies. Copyright Springer-Verlag 2013

Keywords: Information revelation; Competition; Market; Differentiated products; C72; D43; D82; D83 (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (23)

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DOI: 10.1007/s00199-011-0629-3

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