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Information Acquisition in Interdependent Value Auctions

  • Bergemann, Dirk

    (Yale U)

  • Shi, Xianwen
  • Valimaki, Juuso

    (Helsinki School of Economics and University of Southampton)

We consider an auction environment with interdependent values. Each bidder can learn her payoff type through costly information acquisition. We contrast the socially optimal decision to acquire information with the equilibrium solution in which each agent has to privately bear the cost of information acquisition. In the context of the generalized Vickrey-Clarke-Groves mechanism, we establish that the equilibrium level exceeds the socially optimal level of information with positive interdependence. The individual decisions to acquire information are strategic substitutes. The difference between the equilibrium and the efficient level of information acquisition is increasing in the interdependence of the bidders' valuations and decreasing in the number of informed bidders.

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Paper provided by Yale University, Department of Economics in its series Working Papers with number 25.

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Date of creation: Jul 2007
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Handle: RePEc:ecl:yaleco:25
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  1. Ichiro Obara, 2007. "The Full Surplus Extraction Theorem with Hidden Actions," Levine's Bibliography 843644000000000137, UCLA Department of Economics.
  2. Barlevy, Gadi & Veronesi, Pietro, 2000. "Information Acquisition in Financial Markets," Review of Economic Studies, Wiley Blackwell, vol. 67(1), pages 79-90, January.
  3. Levin, Dan & Smith, James L, 1994. "Equilibrium in Auctions with Entry," American Economic Review, American Economic Association, vol. 84(3), pages 585-99, June.
  4. Dirk Bergemann & Xianwen Shi & Juuso Valimaki, 2007. "Information Acquisition in Interdependent Value Auctions," Cowles Foundation Discussion Papers 1619, Cowles Foundation for Research in Economics, Yale University.
  5. Chamley, Christophe, 2007. "Complementarities in information acquisition with short-term trades," Theoretical Economics, Econometric Society, vol. 2(4), December.
  6. Dirk Bergemann & Juuso Valimaki, 2002. "Information Acquisition and Efficient Mechanism Design," Econometrica, Econometric Society, vol. 70(3), pages 1007-1033, May.
  7. Philippe Jehiel & Benny Moldovanu, 1998. "Efficient Design with Interdependent Valuations," Discussion Papers 1244, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  8. Partha Dasgupta & Eric Maskin, 2000. "Efficient Auctions," The Quarterly Journal of Economics, MIT Press, vol. 115(2), pages 341-388, May.
  9. Jeroen M. Swinkels & Wolfgang Pesendorfer, 2000. "Efficiency and Information Aggregation in Auctions," American Economic Review, American Economic Association, vol. 90(3), pages 499-525, June.
  10. Wolfgang Pesendorfer & Jeroen M. Swinkels, 1997. "The Loser's Curse and Information Aggregation in Common Value Auctions," Econometrica, Econometric Society, vol. 65(6), pages 1247-1282, November.
  11. Cremer, Jacques & McLean, Richard P, 1985. "Optimal Selling Strategies under Uncertainty for a Discriminating Monopolist When Demands Are Interdependent," Econometrica, Econometric Society, vol. 53(2), pages 345-61, March.
  12. Nicola Persico, 1997. "Information Acquisition in Auctions," UCLA Economics Working Papers 762, UCLA Department of Economics.
  13. Milgrom, Paul R, 1981. "Rational Expectations, Information Acquisition, and Competitive Bidding," Econometrica, Econometric Society, vol. 49(4), pages 921-43, June.
  14. Matthew O. Jackson, 2002. "Efficiency and Information Aggregation in Auctions with Costly Information," Microeconomics 0211012, EconWPA.
  15. Stegeman, Mark, 1996. "Participation Costs and Efficient Auctions," Journal of Economic Theory, Elsevier, vol. 71(1), pages 228-259, October.
  16. French, Kenneth R & McCormick, Robert E, 1984. "Sealed Bids, Sunk Costs, and the Process of Competition," The Journal of Business, University of Chicago Press, vol. 57(4), pages 417-41, October.
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