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Strategic Behavior and Underpricing in Uniform Price Auctions

Author

Listed:
  • Matti Keloharju

    (Helsinki School of Economics)

  • Kjell G. Nyborg

    (London Business School and CEPR)

  • Kristian Rydqvist

    (Binghamton University and CEPR)

Abstract

We study uniform price auctions using a dataset which includes individual bidders' demand schedules in Finnish Treasury auctions during the period 1992-99. Average underpricing amounts to .041% of face value. Theory suggests that underpricing may result from monopsonistic market power. We develop and test robust implications from this theory and ¯nd that it has little support in the data. For example, bidders' individual demand functions do not respond to increased competition in the manner predicted by the theory. We also present evidence that the Finnish Treasury acts strategically, taking into account the fact that the auctions are part of a repeated game between the Treasury and the primary dealers. Empirically, the main driver behind bidder behavior and underpricing is the volatility of bond returns. Since there is no evidence that bidders are risk averse, this suggests that private information and the winner's curse may play an important role in these auctions.

Suggested Citation

  • Matti Keloharju & Kjell G. Nyborg & Kristian Rydqvist, 2003. "Strategic Behavior and Underpricing in Uniform Price Auctions," Working Papers 2003.25, Fondazione Eni Enrico Mattei.
  • Handle: RePEc:fem:femwpa:2003.25
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    References listed on IDEAS

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    Cited by:

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    2. Ping Zhang, 2006. "A Complete Characterization of Pure Strategy Equilibrium in Uniform Price IPO Auctions," Discussion Papers 2006-06, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
    3. Michel A. Habib & Alexandre Ziegler, 2003. "Why Government Bonds Are Sold by Auction and Corporate Bonds by Posted-Price Selling," FAME Research Paper Series rp78, International Center for Financial Asset Management and Engineering.
    4. Ping Zhang, 2006. "A Complete Characterization of Pure Strategy Equilibrium in Uniform Price IPO Auctions," Discussion Papers 2006-06, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
    5. Rocholl, Jörg, 2005. "Discriminatory auctions with seller discretion: evidence from German treasury auctions," Discussion Paper Series 1: Economic Studies 2005,15, Deutsche Bundesbank.

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    More about this item

    Keywords

    Multiunit auctions; uniform price auctions; treasury auctions; market power; demand functions; underpricing; supply uncertainty; seller behavior;
    All these keywords.

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)

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