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Characterization of Pure Strategy Equilibria in Uniform Price IPO Auctions

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Author Info
Ping Zhang () (School of Economics, University of Nottingham)
Abstract

We characterize pure strategy equilibria of common value multi-unit uniform price auctions under the framework of initial public offerings, where bidders have incomplete private information regarding the value of shares and submit discrete demand schedules. We show that there exists a continuum of equilibria where investors with a higher expectation about the value of shares bid for higher quantities at higher prices, and as a result the market price increases with the market value. The collusive equilibria, in which investors place bids regardless of their expectation about the value, are obtained under stricter conditions than in the continuous price case.

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Paper provided by The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham in its series Discussion Papers with number 2009-05.

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Date of creation: Feb 2009
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Handle: RePEc:cdx:dpaper:2009-05

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Related research
Keywords: IPO; uniform price auction; divisible goods auction; share auction; tacit collusion;

Find related papers by JEL classification:
D44 - Microeconomics - - Market Structure and Pricing - - - Auctions
G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

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    Other versions:
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  14. Orly Sade & Charles Schnitzlein & Jaime Zender, 2006. "Competition and Cooperation in Divisible Good Auctions: An Experimental Examination," Artefactual Field Experiments 0076, The Field Experiments Website. [Downloadable!]
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  18. Back, Kerry & Zender, Jaime F., 2001. "Auctions of divisible goods with endogenous supply," Economics Letters, Elsevier, vol. 73(1), pages 29-34, October. [Downloadable!] (restricted)
  19. Ilan Kremer, 2004. "Underpricing and Market Power in Uniform Price Auctions," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 17(3), pages 849-877. [Downloadable!] (restricted)
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  20. Matti Keloharju & Kjell G. Nyborg & Kristian Rydqvist, 2005. "Strategic Behavior and Underpricing in Uniform Price Auctions: Evidence from Finnish Treasury Auctions," Journal of Finance, American Finance Association, vol. 60(4), pages 1865-1902, 08. [Downloadable!] (restricted)
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  21. Benveniste, Lawrence M. & Wilhelm, William J., 1990. "A comparative analysis of IPO proceeds under alternative regulatory environments," Journal of Financial Economics, Elsevier, vol. 28(1-2), pages 173-207. [Downloadable!] (restricted)
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