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Market Selection and the Information Content of Prices

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  • Alp E. Atakan
  • Mehmet Ekmekci

Abstract

We study information aggregation when n bidders choose, based on their private information, between two concurrent common‐value auctions. There are ks identical objects on sale through a uniform‐price auction in market s and there are an additional kr objects on auction in market r, which is identical to market s except for a positive reserve price. The reserve price in market r implies that information is not aggregated in this market. Moreover, if the object‐to‐bidder ratio in market s exceeds a certain cutoff, then information is not aggregated in market s either. Conversely, if the object‐to‐bidder ratio is less than this cutoff, then information is aggregated in market s as the market grows arbitrarily large. Our results demonstrate how frictions in one market can disrupt information aggregation in a linked, frictionless market because of the pattern of market selection by imperfectly informed bidders.

Suggested Citation

  • Alp E. Atakan & Mehmet Ekmekci, 2021. "Market Selection and the Information Content of Prices," Econometrica, Econometric Society, vol. 89(5), pages 2049-2079, September.
    • Handle: RePEc:wly:emetrp:v:89:y:2021:i:5:p:2049-2079
    DOI: 10.3982/ECTA14935
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    1. Stephan Lauermann & Asher Wolinsky, 2017. "Bidder Solicitation, Adverse Selection, and the Failure of Competition," American Economic Review, American Economic Association, vol. 107(6), pages 1399-1429, June.
    2. Stephan Lauermann & Andre Speit, 2023. "Bidding in Common‐Value Auctions With an Unknown Number of Competitors," Econometrica, Econometric Society, vol. 91(2), pages 493-527, March.

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    More about this item

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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