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Collusion via signaling in open ascending auctions with multiple objects and complementarities

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  • Brusco, Sandro
  • Lopomo, Giuseppe

Abstract

Collusive equilibria exist in open ascending auctions with multiple objects, if the number of bidders is sufficiently small relative to the number of objects, even with large complementarities in the buyers' utility functions. The bidders collude by dividing the objects among themselves, while keeping the prices low. Hence the complementarities are not realized.

Suggested Citation

  • Brusco, Sandro & Lopomo, Giuseppe, 1999. "Collusion via signaling in open ascending auctions with multiple objects and complementarities," DEE - Working Papers. Business Economics. WB 6518, Universidad Carlos III de Madrid. Departamento de Economía de la Empresa.
    • Handle: RePEc:cte:wbrepe:6518
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    References listed on IDEAS

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    1. 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.
    2. Mailath, George J. & Zemsky, Peter, 1991. "Collusion in second price auctions with heterogeneous bidders," Games and Economic Behavior, Elsevier, vol. 3(4), pages 467-486, November.
    3. Lopomo, Giuseppe, 1998. "The English Auction Is Optimal Among Simple Sequential Auctions," Journal of Economic Theory, Elsevier, vol. 82(1), pages 144-166, September.
    4. Graham, Daniel A & Marshall, Robert C, 1987. "Collusive Bidder Behavior at Single-Object Second-Price and English Auctions," Journal of Political Economy, University of Chicago Press, vol. 95(6), pages 1217-1239, December.
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    Cited by:

    1. Klemperer, Paul, 2000. "Why every Economist should Learn some Auction Theory," CEPR Discussion Papers 2572, C.E.P.R. Discussion Papers.
    2. Heidrun C. Hoppe & Philippe Jehiel & Benny Moldovanu, 2006. "License Auctions and Market Structure," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 15(2), pages 371-396, June.
    3. Gian Albano & Fabrizio Germano & Stefano Lovo, 2006. "Retaliatory Equilibria in a Japanese Ascending Auction for Multiple Objects," Review of Economic Design, Springer;Society for Economic Design, vol. 10(1), pages 1-8, April.
    4. Paul Klemperer, 2002. "What Really Matters in Auction Design," Journal of Economic Perspectives, American Economic Association, vol. 16(1), pages 169-189, Winter.
    5. Cramton Peter & Schwartz Jesse A, 2002. "Collusive Bidding in the FCC Spectrum Auctions," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 1(1), pages 1-20, December.
    6. van Damme, E.E.C. & Börgers, T., 2003. "Auction Theory for Auction Design," Discussion Paper 2003-002, Tilburg University, Tilburg Law and Economic Center.
    7. Giuseppe Lopomo & Leslie M. Marx & David McAdams & Brian Murray, 2011. "Carbon Allowance Auction Design: An Assessment of Options for the United States," Review of Environmental Economics and Policy, Association of Environmental and Resource Economists, vol. 5(1), pages 25-43, Winter.
    8. David McAdams & Giuseppe Lopomo & Leslie Marx & Brian Murray, "undated". "Carbon Allowance Auction Design: An Assessment of Options for the U.S," Working Papers 10-64, Duke University, Department of Economics.
    9. Ken Binmore & Paul Klemperer, 2002. "The Biggest Auction Ever: the Sale of the British 3G Telecom Licences," Economic Journal, Royal Economic Society, vol. 112(478), pages 74-96, March.
    10. Sherstyuk, Katerina, 2008. "Some Results on Anti-Competitive Behavior in Multi-Unit Ascending Price Auctions," Handbook of Experimental Economics Results, in: Charles R. Plott & Vernon L. Smith (ed.), Handbook of Experimental Economics Results, edition 1, volume 1, chapter 23, pages 185-198, Elsevier.
    11. Gregory Crawford & Evan Kwerel & Jonathan Levy, 2008. "Economics at the FCC: 2007–2008," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 33(3), pages 187-210, November.
    12. Paul Klemperer, 2002. "What Really Matters in Auction Design," Journal of Economic Perspectives, American Economic Association, vol. 16(1), pages 169-189, Winter.

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