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"Upping the ante": How to design efficient auctions with entry?

  • Laurent Lamy

    (PSE - Paris-Jourdan Sciences Economiques - CNRS - Institut national de la recherche agronomique (INRA) - EHESS - École des hautes études en sciences sociales - ENS Paris - École normale supérieure - Paris - École des Ponts ParisTech (ENPC), EEP-PSE - Ecole d'Économie de Paris - Paris School of Economics)

In the symmetric independent private value model, we revisit auctions with entry by adding two additional ingredients: difficulties to commit to the announced mechanism, in particular not to update the reserve price after bidders took their entry decisions, and seller's ex ante uncertainty on her reservation value which calls for flexibility. Shill bidding or ex post rights to cancel the sale may provide some valuable flexibility in second price auctions. However, both fail to be efficient since the seller may keep the good while it would be efficient to allocate it to the highest bidder. The English auction with jump bids and cancelation rights is shown to implement the first best in large environments. On the positive side, special emphasis is put on the equilibrium analysis of auctions with shill bidding and on a variety of associated new insights including counterintuitive comparative statics and a comparison with posted-prices.

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Paper provided by HAL in its series PSE Working Papers with number halshs-00564888.

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Date of creation: Jun 2010
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Handle: RePEc:hal:psewpa:halshs-00564888
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  1. Horstmann, I.J. & LaCasse, C., 1995. "Secret Reserve Prices in a Bidding Model with a Re-Sale Option," Working Papers 9507e, University of Ottawa, Department of Economics.
  2. Porter, Robert H & Zona, J Douglas, 1993. "Detection of Bid Rigging in Procurement Auctions," Journal of Political Economy, University of Chicago Press, vol. 101(3), pages 518-38, June.
  3. Laurent Lamy, 2005. "The ‘Shill Bidding Effect’ Versus the ‘Linkage Principle’," Working Papers 2005-35, Centre de Recherche en Economie et Statistique.
  4. Crémer, Jacques & Spiegel, Yossi & Zheng, Charles, 2005. "Optimal Search Auctions," IDEI Working Papers 293, Institut d'Économie Industrielle (IDEI), Toulouse.
  5. Leandro Arozamena & Estelle Cantillon, 2004. "Investment incentives in procurement auctions," ULB Institutional Repository 2013/9005, ULB -- Universite Libre de Bruxelles.
  6. Kathryn Graddy & Orley Ashenfelter, 2002. "Auctions and the Price of Art," Economics Series Working Papers 131, University of Oxford, Department of Economics.
  7. repec:oup:restud:v:74:y:2007:i:1:p:173-206 is not listed on IDEAS
  8. Ruqu Wang & Parimal Kanti Bag & Emim Murat Dinlersoz, 1998. "More on Phantom Bidding," Working Papers 976, Queen's University, Department of Economics.
  9. Patrick Bajari & Ali Horta�su, 2004. "Economic Insights from Internet Auctions," Journal of Economic Literature, American Economic Association, vol. 42(2), pages 457-486, June.
  10. Giuseppe Lopomo, 2004. "Optimality and Robustness of the English Auction," Levine's Bibliography 122247000000000391, UCLA Department of Economics.
  11. Levin, Dan & Smith, James L, 1996. "Optimal Reservation Prices in Auctions," Economic Journal, Royal Economic Society, vol. 106(438), pages 1271-83, September.
  12. McAfee, R Preston & Reny, Philip J, 1992. "Correlated Information and Mechanism Design," Econometrica, Econometric Society, vol. 60(2), pages 395-421, March.
  13. Levin, Dan & Smith, James L, 1994. "Equilibrium in Auctions with Entry," American Economic Review, American Economic Association, vol. 84(3), pages 585-99, June.
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