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IPO underpricing during the boom: a block-booking explanation

James, Kevin R. (2004) IPO underpricing during the boom: a block-booking explanation. Discussion paper, 481. Financial Markets Group, London School of Economics and Political Science, London, UK.

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Identification Number: 481

Abstract

A bank can efficiently underwrite individually difficult to value IPOs by offering them as a package deal to a stable coalition of investors (block-booking). Block-booking banks set offer prices to equalize downside risk across their offerings, not expected returns. Examining US IPOs over the 1986 to 2003 period, I find that this is so. Given the return distribution on non-tech IPOs during non-boom years, equalizing downside risk implies that the average initial return on tech/boom IPOs equals 48% (actual value: 46%). The block-booking theory accounts for both the direction and magnitude of differences in average initial returns across IPO types.

Item Type: Monograph (Discussion Paper)
Official URL: http://fmg.lse.ac.uk
Additional Information: © 2004 The Author
Subjects: H Social Sciences > HB Economic Theory
Sets: Research centres and groups > Financial Markets Group (FMG)
Collections > Economists Online
Collections > LSE Financial Markets Group (FMG) Working Papers
Date Deposited: 30 Jul 2009 15:36
Last Modified: 27 Feb 2014 15:35
URI: http://eprints.lse.ac.uk/id/eprint/24679

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