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Efficient collusion in optimal auctions

  • Dequiedt, V.

We study collusion in an IPV auction with binary type spaces. Collusion is organized by a third-party than can manipulate participation decisions. We characterize the optimal response of the seller to different threats of collusion among the bidders. We show that, contrary to the prevailing view that assymmetric information imposes transaction costs in side-contracting, collusion in the optimal auction is efficient when the third-party can implement monetary transfers as well as when it can implement monetary transfers and reallocations of the good. The threat of non-participation in the auction by a subset of bidders is crucial in constraining the seller's profit.

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Paper provided by Grenoble Applied Economics Laboratory (GAEL) in its series Working Papers with number 200607.

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Date of creation: 2006
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Handle: RePEc:gbl:wpaper:200607
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  1. Armstrong, Mark & Rochet, Jean-Charles, 1999. "Multi-dimensional screening:: A user's guide," European Economic Review, Elsevier, vol. 43(4-6), pages 959-979, April.
  2. Gregory Pavlov, 2006. "Colluding on Participation Decisions," Boston University - Department of Economics - Working Papers Series WP2006-030, Boston University - Department of Economics.
  3. McAfee, R. Preston & McMillan, John., 1990. "Bidding Rings," Working Papers 726, California Institute of Technology, Division of the Humanities and Social Sciences.
  4. Laffont, J.J. & Martimort, D., 1996. "Collusion Under Asymmetric Information," Papers 95.389, Toulouse - GREMAQ.
  5. Doh-Shin Jeon & Domenico Menicucci, 2005. "Optimal Second-Degree Price Discrimination and Arbitrage: On the Role of Asymmetric Information Among Buyers," RAND Journal of Economics, The RAND Corporation, vol. 36(2), pages 337-360, Summer.
  6. Peter Cramton & Thomas R. Palfrey, 1995. "Ratifiable Mechanisms: Learning from Disagreement," Papers of Peter Cramton 95geb, University of Maryland, Department of Economics - Peter Cramton, revised 09 Jun 1998.
  7. Marshall, R.C. & Richard J.F., 1995. "Bider Collusion at Forest Service Timber Sales," Papers 7-95-3, Pennsylvania State - Department of Economics.
  8. Kenneth HENDRICKS & Robert H. PORTER, 1989. "Collusion in Auctions," Annales d'Economie et de Statistique, ENSAE, issue 15-16, pages 217-230.
  9. Dilip Mookherjee & Masatoshi Tsumagari, 2004. "The Organization of Supplier Networks: Effects of Delegation and Intermediation," Econometrica, Econometric Society, vol. 72(4), pages 1179-1219, 07.
  10. 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.
  11. Laffont, J.J. & Martimort, D., 1995. "Collusion and Delegation," Papers 95.397, Toulouse - GREMAQ.
  12. Yeon-Koo Che & Jinwoo Kim, 2006. "Robustly Collusion-Proof Implementation," Econometrica, Econometric Society, vol. 74(4), pages 1063-1107, 07.
  13. Pesendorfer, Martin, 2000. "A Study of Collusion in First-Price Auctions," Review of Economic Studies, Wiley Blackwell, vol. 67(3), pages 381-411, July.
  14. 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.
  15. Robert H. Porter & J. Douglas Zona, 1992. "Detection of Bid Rigging in Procurement Auctions," NBER Working Papers 4013, National Bureau of Economic Research, Inc.
  16. d'Aspremont, Claude & Gerard-Varet, Louis-Andre, 1979. "Incentives and incomplete information," Journal of Public Economics, Elsevier, vol. 11(1), pages 25-45, February.
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