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Collusion via Resale

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  • Thomas Tröger

    ()

  • Rodney Garratt
  • Charles Zheng

Abstract

The English auction is susceptible to tacit collusion when post-auction inter-bidder resale is allowed. We show this by constructing equilibria where, with positive probability, one bidder wins the auction without any competition and divides the spoils by optimally reselling the good to the other bidders. These equilibria interim Pareto dominate (among bidders) the standard value-bidding equilibrium, without requiring the bidders to make any commitment on bidding behavior or post-bidding spoil-division.

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Bibliographic Info

Paper provided by University of Bonn, Germany in its series Bonn Econ Discussion Papers with number bgse20_2008.

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Length: 47
Date of creation: Oct 2008
Date of revision:
Handle: RePEc:bon:bonedp:bgse20_2008

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Postal: Bonn Graduate School of Economics, University of Bonn, Adenauerallee 24 - 26, 53113 Bonn, Germany
Fax: +49 228 73 6884
Web page: http://www.bgse.uni-bonn.de

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Keywords: English auction; resale; collusion;

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References

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  1. Garratt, Rod & Tröger, Thomas, 2005. "Speculation in Standard Auctions with Resale," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 42, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
  2. Roger B. Myerson, 1988. "Mechanism Design," Discussion Papers 796, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  3. Paul Milgrom & Robert J. Weber, 1981. "A Theory of Auctions and Competitive Bidding," Discussion Papers 447R, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  4. Milgrom, Paul, 1998. "Putting auction theory to work : the simultaneous ascending auction," Policy Research Working Paper Series 1986, The World Bank.
  5. Blume, Andreas & Heidhues, Paul, 2004. "All equilibria of the Vickrey auction," Journal of Economic Theory, Elsevier, vol. 114(1), pages 170-177, January.
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  7. Sandro Brusco & Giuseppe Lopomo, 2004. "Collusion via Signalling in Simultaneous Ascending Bid Auctions with Heterogeneous Objects, with and without Complementarities," Levine's Bibliography 122247000000000385, UCLA Department of Economics.
  8. Lopomo Giuseppe & Marshall Robert C. & Marx Leslie M, 2005. "Inefficiency of Collusion at English Auctions," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 5(1), pages 1-28, June.
  9. 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.
  10. Richard Engelbrecht-Wiggans & Charles M. Kahn, 2005. "Low-Revenue Equilibria in Simultaneous Ascending-Bid Auctions," Management Science, INFORMS, vol. 51(3), pages 508-518, March.
  11. 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 1217-39, December.
  12. McAfee, R. Preston & McMillan, John., 1990. "Bidding Rings," Working Papers 726, California Institute of Technology, Division of the Humanities and Social Sciences.
  13. Paul Milgrom & Ilya Segal, 2002. "Envelope Theorems for Arbitrary Choice Sets," Econometrica, Econometric Society, vol. 70(2), pages 583-601, March.
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  16. Haile,P.A., 1999. "Auctions with resale," Working papers 33, Wisconsin Madison - Social Systems.
  17. Mylovanov, Tymofiy & Tröger, Thomas, 2006. "A Characterization of the Conditions for Optimal Auction with Resale," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 128, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
  18. Charles Zheng, 2000. "An Optimal Auction When Resale Cannot Be Prohibited," Discussion Papers 1303, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  19. Gale, Ian L & Hausch, Donald B & Stegeman, Mark, 2000. "Sequential Procurement with Subcontracting," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 41(4), pages 989-1020, November.
  20. Marco Pagnozzi, 2007. "Should Speculators Be Welcomed in Auctions?," CSEF Working Papers 176, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
  21. Haile, Philip A., 2003. "Auctions with private uncertainty and resale opportunities," Journal of Economic Theory, Elsevier, vol. 108(1), pages 72-110, January.
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Citations

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Cited by:
  1. Xu, Xiaoshu & Levin, Dan & Ye, Lixin, 2013. "Auctions with entry and resale," Games and Economic Behavior, Elsevier, vol. 79(C), pages 92-105.
  2. Lebrun, Bernard, 2012. "Optimality and the English and second-price auctions with resale," Games and Economic Behavior, Elsevier, vol. 75(2), pages 731-751.
  3. Gregory Pavlov, 2013. "Correlated Equilibria and Communication Equilibria in All-pay Auctions," UWO Department of Economics Working Papers 20132, University of Western Ontario, Department of Economics.
  4. Ding, Wei & Fan, Cuihong & Wolfstetter, Elmar G., 2013. "Horizontal mergers with synergies: Cash vs. profit-share auctions," International Journal of Industrial Organization, Elsevier, vol. 31(5), pages 382-391.
  5. Todd R. Kaplan & Shmuel Zamir, 2014. "Advances in Auctions," Discussion Paper Series dp662, The Center for the Study of Rationality, Hebrew University, Jerusalem.
  6. Burtraw, Dallas & Goeree, Jacob & Holt, Charles A. & Myers, Erica & Palmer, Karen & Shobe, William, 2008. "Collusion in Auctions for Emission Permits: An Experimental Analysis," Discussion Papers dp-08-36, Resources For the Future.
  7. Zheng, Charles Zhoucheng, 2006. "Jump Bidding and Overconcentration in Decentralized Simultaneous Ascending Auctions," Staff General Research Papers 12698, Iowa State University, Department of Economics.
  8. Tymofiy Mylovanov & Thomas Tröger, 2009. "Optimal auction with resale—a characterization of the conditions," Economic Theory, Springer, vol. 40(3), pages 509-528, September.
  9. Saral, Krista Jabs, 2010. "Speculation and Demand Reduction in English Clock Auctions with Resale," MPRA Paper 25139, University Library of Munich, Germany.
  10. Bernard Lebrun, 2008. "First-Price, Second-Price, and English Auctions with Resale," Working Papers 2008_06, York University, Department of Economics.
  11. Xiaoshu Xu & Dan Levin & Lixin Ye, 2012. "Auctions with synergy and resale," International Journal of Game Theory, Springer, vol. 41(2), pages 397-426, May.
  12. De Frutos, María Ángeles & Espinosa Alejos, María Paz, 2012. "Resale in Auctions with Financial Constraints," DFAEII Working Papers 2012-03, University of the Basque Country - Department of Foundations of Economic Analysis II.
  13. Thomas Tröger & Tymofiy Mylovanov, 2008. "Optimal Auction Design and Irrelevance of Private Information," Bonn Econ Discussion Papers bgse21_2008, University of Bonn, Germany.
  14. Charles Z. Zheng, 2014. "Existence of Monotone Equilibria in First-Price Auctions with Resale," University of Western Ontario, Economic Policy Research Institute Working Papers 20141, University of Western Ontario, Economic Policy Research Institute.

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