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Optimal Mechanisms for an Auction Mediator

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Author Info
Alexander Matros ()
Andriy Zapechelnyuk ()

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Abstract

We consider a multi-period auction with a seller who has a single object for sale, a large population of potential buyers, and a mediator of the trade. The seller and every buyer have independent private values of the object. The mediator designs an auction mechanism which maximizes her revenue subject to certain constraints for the traders. In each period the seller auctions the object to a set of buyers drawn at random from the population. The seller can re-auction the object (infinitely many times) if it is not sold in previous interactions. We characterize the class of mediator-optimal auction mechanisms. One of such mechanisms is a Vickrey auction with a reserve price where the seller pays to the mediator a fixed percentage from the closing price.

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Paper provided by Center for Rationality and Interactive Decision Theory, Hebrew University, Jerusalem in its series Discussion Paper Series with number dp424.

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Length: 27 pages
Date of creation: Jun 2006
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Handle: RePEc:huj:dispap:dp424

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  1. Alexander Matros & Andriy Zapechelnyuk, 2008. "Optimal Fees in Internet Auctions," Discussion Papers 3, Kyiv School of Economics. [Downloadable!]
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  2. Mark Armstrong Author-Email: mark.armstrong@ucl.ac.uk, 2006. "Competition in Two-Sided Markets," RAND Journal of Economics, The RAND Corporation, vol. 37(3), pages 668-691, Autumn.
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  3. Rochet, Jean-Charles & Tirole, Jean, 2003. "Platform Competition in Two-Sided Markets," IDEI Working Papers 152, Institut d'Économie Industrielle (IDEI), Toulouse. [Downloadable!]
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  4. Paul R. Milgrom, 1985. "Auction Theory," Cowles Foundation Discussion Papers 779, Cowles Foundation, Yale University. [Downloadable!]
  5. Wilson, Robert B, 1985. "Incentive Efficiency of Double Auctions," Econometrica, Econometric Society, vol. 53(5), pages 1101-15, September. [Downloadable!] (restricted)
  6. Charles Zhoucheng Zheng, 2002. "Optimal Auction with Resale," Econometrica, Econometric Society, vol. 70(6), pages 2197-2224, November. [Downloadable!] (restricted)
  7. McAfee, R. Preston & Vincent, Daniel, 1997. "Sequentially Optimal Auctions," Games and Economic Behavior, Elsevier, vol. 18(2), pages 246-276, February. [Downloadable!] (restricted)
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  8. Myerson, Roger B. & Satterthwaite, Mark A., 1983. "Efficient mechanisms for bilateral trading," Journal of Economic Theory, Elsevier, vol. 29(2), pages 265-281, April. [Downloadable!] (restricted)
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  9. Haile, Philip A., 2000. "Partial Pooling at the Reserve Price in Auctions with Resale Opportunities," Games and Economic Behavior, Elsevier, vol. 33(2), pages 231-248, November. [Downloadable!] (restricted)
  10. Haile, Philip A., 2003. "Auctions with private uncertainty and resale opportunities," Journal of Economic Theory, Elsevier, vol. 108(1), pages 72-110, January. [Downloadable!] (restricted)
  11. Reisinger, Markus, 2004. "Two-Sided Markets with Negative Externalities," Discussion Papers in Economics 478, University of Munich, Department of Economics. [Downloadable!]
  12. Gupta, Madhurima & Lebrun, Bernard, 1999. "First price auctions with resale," Economics Letters, Elsevier, vol. 64(2), pages 181-185, August. [Downloadable!] (restricted)
  13. Drew Fudenberg & David K. Levine & Jean Tirole, 1985. "Infinite-Horizon Models of Bargaining with One-Sided Incomplete Information," Levine's Working Paper Archive 1098, David K. Levine. [Downloadable!]
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