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On the informational inefficiency of discriminatory price auctions

Author

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  • Jackson, Matthew O.
  • Kremer, Ilan

Abstract

We analyze bidding behavior in large discriminatory price auctions where the number of objects is a non-trivial proportion of the number of bidders. Bidders observe private signals that are affiliated with the common value. We show that the average price in the auction is biased downward from the expected value of the objects, even in the competitive limit. In particular, we show that conditional on relatively low signals, bidders bid the expected value of the objects conditional n their information and winning; while bids at higher signals flatten out and are below the expected value conditional on winning.

Suggested Citation

  • Jackson, Matthew O. & Kremer, Ilan, 2004. "On the informational inefficiency of discriminatory price auctions," Working Papers 1191, California Institute of Technology, Division of the Humanities and Social Sciences.
  • Handle: RePEc:clt:sswopa:1191
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    File URL: http://www.hss.caltech.edu/SSPapers/sswp1191c.pdf
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    References listed on IDEAS

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    1. Bali, Valentina & Jackson, Matthew, 2002. "Asymptotic Revenue Equivalence in Auctions," Journal of Economic Theory, Elsevier, vol. 106(1), pages 161-176, September.
    2. Wolfgang Pesendorfer & Jeroen M. Swinkels, 1997. "The Loser's Curse and Information Aggregation in Common Value Auctions," Econometrica, Econometric Society, vol. 65(6), pages 1247-1282, November.
    3. Milgrom, Paul R & Weber, Robert J, 1982. "A Theory of Auctions and Competitive Bidding," Econometrica, Econometric Society, vol. 50(5), pages 1089-1122, September.
    4. Milgrom, Paul R, 1981. "Rational Expectations, Information Acquisition, and Competitive Bidding," Econometrica, Econometric Society, vol. 49(4), pages 921-943, June.
    5. Jackson, Matthew O. & Kremer, Ilan, 2004. "The relationship between the allocation of goods and a seller's revenue," Journal of Mathematical Economics, Elsevier, vol. 40(3-4), pages 371-392, June.
    6. Milgrom, Paul R, 1979. "A Convergence Theorem for Competitive Bidding with Differential Information," Econometrica, Econometric Society, vol. 47(3), pages 679-688, May.
    7. Robert Wilson, 1977. "A Bidding Model of Perfect Competition," Review of Economic Studies, Oxford University Press, vol. 44(3), pages 511-518.
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    Cited by:

    1. Atakan, Alp Enver & Ekmekci, Mehmet, 2016. "Market Selection and the Information Content of Prices," MPRA Paper 75632, University Library of Munich, Germany.
    2. Yin, Pai-Ling, 2007. "Empirical tests of information aggregation," International Journal of Industrial Organization, Elsevier, vol. 25(6), pages 1179-1189, December.

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