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The value of an informed bidder in common value auctions

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  • Kim, Jinwoo

Abstract

I compare two information structures in a common value first-price auction with two bidders: In one, each of the two bidders knows only his own signal about the value of the object, and in the other, one of the bidders learns his opponent's signal as well. Gaining the additional information in the second information structure makes the informed bidder worse off if the value is submodular in the bidders' signals and better off if it is supermodular. If the value is supermodular, then the seller's revenue tends to be lower with the informed bidder than without.

Suggested Citation

  • Kim, Jinwoo, 2008. "The value of an informed bidder in common value auctions," Journal of Economic Theory, Elsevier, vol. 143(1), pages 585-595, November.
    • Handle: RePEc:eee:jetheo:v:143:y:2008:i:1:p:585-595
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    References listed on IDEAS

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    1. Milgrom, Paul & Weber, Robert J., 1982. "The value of information in a sealed-bid auction," Journal of Mathematical Economics, Elsevier, vol. 10(1), pages 105-114, June.
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    Cited by:

    1. Dan Kovenock & Florian Morath & Johannes Münster, 2015. "Information Sharing in Contests," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 24(3), pages 570-596, September.
    2. Fasten, Erik R. & Hofmann, Dirk, 2010. "Two-sided Certification: The market for Rating Agencies," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 338, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
    3. Florian Morath & Johannes Münster, 2013. "Information acquisition in conflicts," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 54(1), pages 99-129, September.
    4. Joel O. Wooten & Joan M. Donohue & Timothy D. Fry & Kathleen M. Whitcomb, 2020. "To Thine Own Self Be True: Asymmetric Information in Procurement Auctions," Production and Operations Management, Production and Operations Management Society, vol. 29(7), pages 1679-1701, July.
    5. Celik, Gorkem & Peters, Michael, 2011. "Equilibrium rejection of a mechanism," Games and Economic Behavior, Elsevier, vol. 73(2), pages 375-387.
    6. Yan Chen & YingHua He, 2022. "Information acquisition and provision in school choice: a theoretical investigation," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 74(1), pages 293-327, July.
    7. repec:hum:wpaper:sfb649dp2010-007 is not listed on IDEAS
    8. Fasten, Erik R. & Hofmann, Dirk, 2010. "Two-sided certification: The market for rating agencies," SFB 649 Discussion Papers 2010-007, Humboldt University Berlin, Collaborative Research Center 649: Economic Risk.
    9. Vasilis Syrgkanis & David Kempe & Eva Tardos, 2019. "Information Asymmetries in Common-Value Auctions with Discrete Signals," Management Science, INFORMS, vol. 44(4), pages 1450-1476, November.
    10. Choi, Syngjoo & Guerra, José-Alberto & Kim, Jinwoo, 2019. "Interdependent value auctions with insider information: Theory and experiment," Games and Economic Behavior, Elsevier, vol. 117(C), pages 218-237.
    11. Cuihong Fan & Byoung Heon Jun & Elmar G. Wolfstetter, 2021. "Strategic Leaks in First-Price Auctions and Tacit Collusion: The Case of Spying and Counter-Spying," CESifo Working Paper Series 9021, CESifo.
    12. Fan, Cuihong & Jun, Byoung Heon & Wolfstetter, Elmar G., 2022. "Spying in Bertrand markets under incomplete information: Who benefits and is it stable?," Journal of Mathematical Economics, Elsevier, vol. 102(C).
    13. Kim, Jinwoo & Koh, Youngwoo, 2020. "Learning rivals' information in interdependent value auctions," Journal of Economic Theory, Elsevier, vol. 187(C).

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