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Optimal Information Disclosure in Auctions

Author

Listed:
  • Bergemann, Dirk
  • Heumann, Tibor
  • Morris, Stephen
  • Sorokin, Constantine
  • Winter, Eyal

Abstract

We characterize the revenue-maximizing information structure in the second price auction. The seller faces a classic economic trade-off: providing more information improves the efficiency of the allocation but also creates higher information rents for bidders. The information disclosure policy that maximizes the revenue of the seller is to fully reveal low values (where competition will be high) but to pool high values (where competition will be low). The size of the pool is determined by a critical quantile that is independent of the distribution of values and only dependent on the number of bidders. We discuss how this policy provides a rationale for conflation in digital advertising.

Suggested Citation

  • Bergemann, Dirk & Heumann, Tibor & Morris, Stephen & Sorokin, Constantine & Winter, Eyal, 2022. "Optimal Information Disclosure in Auctions," CEPR Discussion Papers 16858, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:16858
    as

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    References listed on IDEAS

    as
    1. Hao Li & Xianwen Shi, 2017. "Discriminatory Information Disclosure," American Economic Review, American Economic Association, vol. 107(11), pages 3363-3385, November.
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    8. Bergemann, Dirk & Heumann, Tibor & Morris, Stephen, 2021. "Selling Impressions: Efficiency vs. Competition," CEPR Discussion Papers 16402, C.E.P.R. Discussion Papers.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Auctions; Second-price auctions; Information design; Information disclosure; Digital advertising; Conflation;
    All these keywords.

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • D47 - Microeconomics - - Market Structure, Pricing, and Design - - - Market Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations

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