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Selling Shares To Retail Investors: Auction Vs. Fixed Price

  • Veronika Grimm


    (Universidad de Alicante)

  • Jürgen Bierbaum

    (Humboldt-Universität Berlin, Institut für Wirtschaftstheorie)

We analyze the problem of selling shares of a divisible good to a large number of buyers when demand is uncertain. We characterize equilibria of two popular mechanisms, a fixed price mechanism and a uniform price auction, and compare the revenues. While in the auction truthful bidding is a dominant strategy, we find that bidders have an incentive to overstate their demand in the fixed price mechanism. For some parameter values this yields the surprising result that the fixed price mechanism outperforms the auction.

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Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie AD with number 2004-08.

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Length: 36 pages
Date of creation: Feb 2004
Date of revision:
Publication status: Published by Ivie
Handle: RePEc:ivi:wpasad:2004-08
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  1. Nautz, D., 1995. "Optimal bidding in multi-unit auctions with many bidders," Economics Letters, Elsevier, vol. 48(3-4), pages 301-306, June.
  2. Veronika Grimm & Jürgen Bierbaum, 2004. "Selling Shares To Retail Investors: Auction Vs. Fixed Price," Working Papers. Serie AD 2004-08, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  3. Back, Kerry & Zender, Jaime F, 1993. "Auctions of Divisible Goods: On the Rationale for the Treasury Experiment," Review of Financial Studies, Society for Financial Studies, vol. 6(4), pages 733-64.
  4. Antonio Villar Notario & Carmen Herrero Blanco, 2000. "The Three Musketeers: Four Classical Solutions To Bankruptcy Problems," Working Papers. Serie AD 2000-23, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  5. Nautz, D. & Wolfstetter, E., 1997. "Bid shading and risk aversion in multi-unit auctions with many bidders," Economics Letters, Elsevier, vol. 56(2), pages 195-200, October.
  6. Sherman, Ann E. & Titman, Sheridan, 2002. "Building the IPO order book: underpricing and participation limits with costly information," Journal of Financial Economics, Elsevier, vol. 65(1), pages 3-29, July.
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