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Bids as a Vehicle of (Mis)Information: Collusion in English Auctions with Affiliated Values

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Abstract

During an English auction, bidders' behaviour conveys information on their valuation of the prize. So whenever valuations are not independent, a bidder's strategy depends on the price at which his competitors drop out before he does. A ring of bidders can strategically manipulate the information reported through its members' bids, in order to mislead other bidders into bidding less aggressively and so allow a ring member to bid more aggressively. Collusion increases the probability that a ring bidder wins the auction and reduces the price he pays. The presence of a ring harms other bidders (as well as the seller) and reduces efficiency.

Suggested Citation

  • Marco Pagnozzi, 2004. "Bids as a Vehicle of (Mis)Information: Collusion in English Auctions with Affiliated Values," CSEF Working Papers 127, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    • Handle: RePEc:sef:csefwp:127
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    References listed on IDEAS

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    1. Cramton, Peter & Schwartz, Jesse A, 2000. "Collusive Bidding: Lessons from the FCC Spectrum Auctions," Journal of Regulatory Economics, Springer, vol. 17(3), pages 229-252, May.
    2. Sandro Brusco & Giuseppe Lopomo, 2002. "Collusion via Signalling in Simultaneous Ascending Bid Auctions with Heterogeneous Objects, with and without Complementarities," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 69(2), pages 407-436.
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    4. Tan, Guofu & Yilankaya, Okan, 2007. "Ratifiability of efficient collusive mechanisms in second-price auctions with participation costs," Games and Economic Behavior, Elsevier, vol. 59(2), pages 383-396, May.
    5. Pagnozzi, Marco, 2009. "Resale and bundling in auctions," International Journal of Industrial Organization, Elsevier, vol. 27(6), pages 667-678, November.
    6. Jeremy Bulow & Paul Klemperer, 2002. "Prices and the Winner's Curse," RAND Journal of Economics, The RAND Corporation, vol. 33(1), pages 1-21, Spring.
    7. Porter, Robert H & Zona, J Douglas, 1993. "Detection of Bid Rigging in Procurement Auctions," Journal of Political Economy, University of Chicago Press, vol. 101(3), pages 518-538, June.
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    Cited by:

    1. Ceesay, Muhammed, 2023. "Secret vs Public Rings in Common Value Auctions," EconStor Preprints 279484, ZBW - Leibniz Information Centre for Economics.
    2. Wang, Hong, 2017. "Information acquisition versus information manipulation in multi-period procurement markets," Information Economics and Policy, Elsevier, vol. 40(C), pages 48-59.
    3. Seres, Gyula, 2017. "Auction cartels and the absence of efficient communication," International Journal of Industrial Organization, Elsevier, vol. 52(C), pages 282-306.
    4. Paul Klemperer, 2007. "Bidding Markets," Journal of Competition Law and Economics, Oxford University Press, vol. 3(1), pages 1-47.

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    More about this item

    Keywords

    auctions; collusion;

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions

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