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Collusion via Resale

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Author Info

  • 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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File URL: http://www.wiwi.uni-bonn.de/bgsepapers/bonedp/bgse20_2008.pdf
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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. 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.
  2. Brusco, Sandro & Lopomo, Giuseppe, 2002. "Collusion via Signalling in Simultaneous Ascending Bid Auctions with Heterogeneous Objects, with and without Complementarities," Review of Economic Studies, Wiley Blackwell, vol. 69(2), pages 407-36, April.
  3. Paul Milgrom & Ilya Segal, 2002. "Envelope Theorems for Arbitrary Choice Sets," Econometrica, Econometric Society, vol. 70(2), pages 583-601, March.
  4. Haile, Philip A., 2003. "Auctions with private uncertainty and resale opportunities," Journal of Economic Theory, Elsevier, vol. 108(1), pages 72-110, January.
  5. 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.
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  18. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
  19. 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.
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Citations

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Cited by:
  1. Bernard Lebrun, 2008. "First-Price, Second-Price, and English Auctions with Resale," Working Papers 2008_06, York University, Department of Economics.
  2. Saral, Krista Jabs, 2012. "Speculation and demand reduction in English clock auctions with resale," Journal of Economic Behavior & Organization, Elsevier, vol. 84(1), pages 416-431.
  3. Xu, Xiaoshu & Levin, Dan & Ye, Lixin, 2013. "Auctions with entry and resale," Games and Economic Behavior, Elsevier, vol. 79(C), pages 92-105.
  4. 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.
  5. Tymofiy Mylovanov & Thomas Tröger, 2009. "Optimal auction with resale—a characterization of the conditions," Economic Theory, Springer, vol. 40(3), pages 509-528, September.
  6. 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.
  7. Kaplan, Todd R & Zamir, Shmuel, 2014. "Advances in Auctions," MPRA Paper 54656, University Library of Munich, Germany.
  8. Lebrun, Bernard, 2012. "Optimality and the English and second-price auctions with resale," Games and Economic Behavior, Elsevier, vol. 75(2), pages 731-751.
  9. 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.
  10. Zheng, Charles Z., 2012. "Jump bidding and overconcentration in decentralized simultaneous ascending auctions," Games and Economic Behavior, Elsevier, vol. 76(2), pages 648-664.
  11. 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.
  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. 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.
  14. Thomas Tröger & Tymofiy Mylovanov, 2008. "Optimal Auction Design and Irrelevance of Private Information," Bonn Econ Discussion Papers bgse21_2008, University of Bonn, Germany.

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