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Strategic Behaviour and Underpricing in Uniform Price Auctions: Evidence from Finnish Treasury Auctions

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Listed:
  • Keloharju, Matti
  • Nyborg, Kjell G
  • Rydqvist, Kristian

Abstract

We study uniform price auctions using a dataset that includes individual bidders' demand schedules in Finnish Treasury auctions during the period 1992-99. Average underpricing amounts to 0.041% of face value. Theory suggests that underpricing may result from monopsonistic market power. We develop and test robust implications from this theory and find 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 behaviour 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

  • Keloharju, Matti & Nyborg, Kjell G & Rydqvist, Kristian, 2002. "Strategic Behaviour and Underpricing in Uniform Price Auctions: Evidence from Finnish Treasury Auctions," CEPR Discussion Papers 3586, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:3586
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    References listed on IDEAS

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    More about this item

    Keywords

    demand functions; market power; multiunit auctions; seller behaviour; supply uncertainty; treasury auctions; underpricing; uniform price;

    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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