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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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    2. Alp E. Atakan & Mehmet Ekmekci, 2021. "Market Selection and the Information Content of Prices," Econometrica, Econometric Society, vol. 89(5), pages 2049-2079, September.
    3. Haoran He & Yefeng Chen, 2021. "Auction mechanisms for allocating subsidies for carbon emissions reduction: an experimental investigation," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 57(2), pages 387-430, August.
    4. Yin, Pai-Ling, 2007. "Empirical tests of information aggregation," International Journal of Industrial Organization, Elsevier, vol. 25(6), pages 1179-1189, December.
    5. Songzi Du, 2018. "Robust Mechanisms Under Common Valuation," Econometrica, Econometric Society, vol. 86(5), pages 1569-1588, September.

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