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Anonymity deters collusion in hard-close auctions: Experimental Evidence

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  • Tibor Neugebauer

    ()
    (Luxembourg School of Finance, University of Luxembourg)

  • Sascha Füllbrunn

    ()
    (University of Magdeburg)

Abstract

This paper studies whether collusion occurs in three-bidder three-object second-price hard-close auctions. The experimental results of two laboratory treatments are reported. The first one, the anonymity treatment,involves subject groups which can trace decisions to the bidder under conditions of anonymity. The second one, the friends treatment, involves groups of subjects who know each other. In this treatment each bid can be identified with a person. The paper reports no collusion in the anonymity treatment but some collusion in the friends treatment.

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Bibliographic Info

Paper provided by Luxembourg School of Finance, University of Luxembourg in its series LSF Research Working Paper Series with number 08-09.

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Date of creation: 2008
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Handle: RePEc:crf:wpaper:08-09

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Keywords: multi-unit auctions; collusion; experimental economics;

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References

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  1. Professor Paul Klemperer, 2000. "What Really Matters in Auction Design," Microeconomics 0004008, EconWPA.
  2. Jehiel, Philippe & Moldovanu, Benny, 2000. "License Auctions and Market Structure," CEPR Discussion Papers 2530, C.E.P.R. Discussion Papers.
  3. 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.
  4. David Kreps & Paul Milgrom & John Roberts & Bob Wilson, 2010. "Rational Cooperation in the Finitely Repeated Prisoners' Dilemma," Levine's Working Paper Archive 239, David K. Levine.
  5. Tibor Neugebauer, 2007. "Bid and price effects of increased competition in the first-price auction: experimental evidence," LSF Research Working Paper Series 07-17, Luxembourg School of Finance, University of Luxembourg.
  6. Dan Ariely & Axel Ockenfels & Alvin E Roth, 2003. "An Experimental Analysis of Ending Rules in Internet Auctions," Levine's Bibliography 506439000000000433, UCLA Department of Economics.
  7. Haan, Marco & Kooreman, Peter & Riemersma, Tineke, 2006. "Friendship in a Public Good Experiment," IZA Discussion Papers 2108, Institute for the Study of Labor (IZA).
  8. Anthony M. Kwasnica & Katerina Sherstyuk, 2007. "Collusion and Equilibrium Selection in Auctions," Economic Journal, Royal Economic Society, vol. 117(516), pages 120-145, 01.
  9. Isaac, R. Mark & Ramey, Valerie & Williams, Arlington W., 1984. "The effects of market organization on conspiracies in restraint of trade," Journal of Economic Behavior & Organization, Elsevier, vol. 5(2), pages 191-222, June.
  10. Veronika Grimm & Frank Riedel & Elmar G. Wolfstetter, 2001. "Low Price Equilibrium in Multi-Unit Auctions: The GSM Spectrum Auction in Germany," CESifo Working Paper Series 506, CESifo Group Munich.
  11. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer, vol. 10(2), pages 171-178, June.
  12. John McMillan, 1994. "Selling Spectrum Rights," Journal of Economic Perspectives, American Economic Association, vol. 8(3), pages 145-162, Summer.
  13. Axel Ockenfels & David Reiley & Abdolkarim Sadrieh, 2006. "Online Auctions," NBER Working Papers 12785, National Bureau of Economic Research, Inc.
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Cited by:
  1. Martin Sefton & Ping Zhang, 2009. "Divisible-good uniform price auctions: the role of allocation rules and communication among bidders," Discussion Papers 2009-21, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
  2. Ping Zhang, 2009. "Characterization of Pure Strategy Equilibria in Uniform Price IPO Auctions," Discussion Papers 2009-05, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.

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