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Partial Adjustment to Public Information and IPO Underpricing

Published online by Cambridge University Press:  06 April 2009

Daniel J. Bradley
Affiliation:, Clemson University, College of Business and Behavioral Science, 324B Sirrine Hall, Clemson, SC 29634
Bradford D. Jordan
Affiliation:, University of Kentucky, Gatton College of Business and Economics, 445 Gatton Business and Economics Building, Lexington, KY 40506.


We examine the extent to which offer prices reflect public information for 3,325 IPOs over the period 1990–1999. We focus primarily on four variables: share overhang, file range amendments, venture capital backing, and previous issue underpricing. We show that 35%–50% of the variation in IPO underpricing can be predicted using public information known before the offer date and therefore conclude that IPO offer prices underadjust to widely available public information to a much greater extent than previously documented.

Research Article
Copyright © School of Business Administration, University of Washington 2002

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