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The Clock-Proxy Auction: A Practical Combinatorial Auction Design

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Abstract

We propose the clock-proxy auction as a practical means for auctioning many related items. A clock auction phase is followed by a last-and-final proxy round. The approach combines the simple and transparent price discovery of the clock auction with the efficiency of the proxy auction. Linear pricing is maintained as long as possible, but then is abandoned in the proxy round to improve efficiency and enhance seller revenues. The approach has many advantages over the simultaneous ascending auction. In particular, the clock-proxy auction has no exposure problem, eliminates incentives for demand reduction, and prevents most collusive bidding strategies.

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  • Lawrence M. Ausubel & Peter Cramton & Paul Milgrom, 2004. "The Clock-Proxy Auction: A Practical Combinatorial Auction Design," Papers of Peter Cramton 04mit5, University of Maryland, Department of Economics - Peter Cramton, revised 2004.
    • Handle: RePEc:pcc:pccumd:04mit5
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    1. Lawrence M. Ausubel & Peter Cramton & Marek Pycia & Marzena Rostek & Marek Weretka, 2014. "Demand Reduction and Inefficiency in Multi-Unit Auctions," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 81(4), pages 1366-1400.
    2. Paul Klemperer, 2002. "What Really Matters in Auction Design," Journal of Economic Perspectives, American Economic Association, vol. 16(1), pages 169-189, Winter.
    3. Peter Cramton, 1997. "The FCC Spectrum Auctions: An Early Assessment," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 6(3), pages 431-495, September.
    4. Ausubel Lawrence M & Milgrom Paul R, 2002. "Ascending Auctions with Package Bidding," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 1(1), pages 1-44, August.
    5. Paul Milgrom, 2000. "Putting Auction Theory to Work: The Simultaneous Ascending Auction," Journal of Political Economy, University of Chicago Press, vol. 108(2), pages 245-272, April.
    6. Cramton, Peter & Kwerel, Evan & Williams, John, 1998. "Efficient Relocation of Spectrum Incumbents," Journal of Law and Economics, University of Chicago Press, vol. 41(2), pages 647-675, October.
    7. R. Preston McAfee & John McMillan, 1996. "Analyzing the Airwaves Auction," Journal of Economic Perspectives, American Economic Association, vol. 10(1), pages 159-175, Winter.
    8. Lawrence M. Ausubel & Peter Cramton & Wynne P. Jones, 2012. "System and Method for an Auction of Multiple Types of Items," Papers of Peter Cramton 11acjam, University of Maryland, Department of Economics - Peter Cramton, revised 2012.
    9. Lawrence M. Ausubel & Peter Cramton, 2004. "Auctioning Many Divisible Goods," Journal of the European Economic Association, MIT Press, vol. 2(2-3), pages 480-493, 04/05.
    10. Paul R. Milgrom, 1985. "Auction Theory," Cowles Foundation Discussion Papers 779, Cowles Foundation for Research in Economics, Yale University.
    11. Milgrom,Paul, 2004. "Putting Auction Theory to Work," Cambridge Books, Cambridge University Press, number 9780521536721.
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    Cited by:

    1. Laurent Lamy, 2010. "Core-selecting package auctions: a comment on revenue-monotonicity," International Journal of Game Theory, Springer;Game Theory Society, vol. 39(3), pages 503-510, July.
    2. John William Hatfield & Paul R. Milgrom, 2005. "Matching with Contracts," American Economic Review, American Economic Association, vol. 95(4), pages 913-935, September.
    3. Robert W. Day & Peter Cramton, 2012. "Quadratic Core-Selecting Payment Rules for Combinatorial Auctions," Operations Research, INFORMS, vol. 60(3), pages 588-603, June.
    4. Peter Cramton, 2009. "Innovation and Market Design," NBER Chapters, in: Innovation Policy and the Economy, Volume 9, pages 113-137, National Bureau of Economic Research, Inc.
    5. Emiel Maasland & Sander Onderstal, 2006. "Going, Going, Gone! A Swift Tour of Auction Theory and its Applications," De Economist, Springer, vol. 154(2), pages 197-249, June.
    6. Daniele Condorelli, 2007. "Efficient and Equitable Airport Slot Allocation," Rivista di Politica Economica, SIPI Spa, vol. 97(1), pages 81-104, January-F.
    7. Gediminas Adomavicius & Alok Gupta, 2005. "Toward Comprehensive Real-Time Bidder Support in Iterative Combinatorial Auctions," Information Systems Research, INFORMS, vol. 16(2), pages 169-185, June.
    8. Axel Ockenfels & David Reiley & Abdolkarim Sadrieh, 2006. "Online Auctions," NBER Working Papers 12785, National Bureau of Economic Research, Inc.
    9. Nicolas Melissas, 2008. "Bidding and Drilling on Offshore Wildcat Tracts," Working Papers 0805, Centro de Investigacion Economica, ITAM.
    10. Paul Milgrom, 2007. "Simplified Mechanisms with Applications to Sponsored Search and Package Auctions," Discussion Papers 07-008, Stanford Institute for Economic Policy Research.
    11. Aytek Erdil & Paul Klemperer, 2010. "A New Payment Rule for Core-Selecting Package Auctions," Journal of the European Economic Association, MIT Press, vol. 8(2-3), pages 537-547, 04-05.
    12. Peter Cramton & Steven Stoft, 2007. "Colombia Firm Energy Market," Papers of Peter Cramton 07cfem, University of Maryland, Department of Economics - Peter Cramton, revised 2007.
    13. Michael O. Ball & Lawrence M. Ausubel & Frank Berardino & Peter Cramton & George Donohue & Mark Hansen & Karla Hoffman, 2007. "Market-Based Alternatives for Managing Congestion at New York’s LaGuardia Airport," Papers of Peter Cramton 07mbac, University of Maryland, Department of Economics - Peter Cramton, revised 2007.
    14. Eiichiro Kazumori, 2010. "Core-Selecting Auctions: An Experimental Study," CARF F-Series CARF-F-226, Center for Advanced Research in Finance, Faculty of Economics, The University of Tokyo.

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    More about this item

    Keywords

    Auctions; Combinatorial Auctions; Market Design; Clock Auctions;
    All these keywords.

    JEL classification:

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

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