Underpricing in Discriminatory and Uniform-Price Treasury Auctions

49 Pages Posted: 3 Oct 2003

See all articles by David Goldreich

David Goldreich

University of Toronto - Rotman School of Management

Multiple version iconThere are 2 versions of this paper

Date Written: September 2003


This paper compares the new uniform-price U.S. Treasury auctions to the traditional discriminatory mechanism and examines the extent to which the auction mechanisms are responsible for underpricing. Empirically, I find that even for the newer uniform-price auctions, the average price received by the Treasury is less than the price of the same securities in the concurrent secondary market, although this underpricing is reduced by half relative to the older mechanism. The auctions are modeled in a multi-unit common-value setting with a winner's curse problem. Underpricing results in equilibrium for both auction formats, although to a greater degree for the discriminatory auction. In the context of the model, the equilibrium level of underpricing in an individual auction can be predicted from the summary statistics released by the Treasury after each auction. Empirical results show that the magnitude of underpricing in the auctions, and the cross-sectional variation in underpricing, is consistent with the model.

Keywords: Treasury auctions, bonds, underpricing

JEL Classification: D44, G28

Suggested Citation

Goldreich, David, Underpricing in Discriminatory and Uniform-Price Treasury Auctions (September 2003). Available at SSRN: https://ssrn.com/abstract=449181 or http://dx.doi.org/10.2139/ssrn.449181

David Goldreich (Contact Author)

University of Toronto - Rotman School of Management ( email )

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