UK IPOs: Long Run Returns, Behavioural Timing and Pseudo Timing
47 Pages Posted: 28 Oct 2008 Last revised: 4 Oct 2009
There are 2 versions of this paper
UK IPOs: Long Run Returns, Behavioural Timing and Pseudo Timing
UK IPOs: Long Run Returns, Behavioural Timing and Pseudo Timing
Date Written: September 1, 2009
Abstract
In this paper we examine a comprehensive set of 2,567 UK IPOs launched between mid-1975 and the end of 2004. We find compelling evidence of long run under-performance that persists for between 36 and 60 months post-flotation, depending on the precise method chosen to measure abnormal returns. Following Schultz (2003), we ask whether our results are consistent with "pseudo-timing". Equally-weighted returns in calendar time provide further evidence of under-performance, a result that favours the Loughran and Ritter (2000) behavioural timing hypothesis rather than the Schultz (2003) pseudo-timing hypothesis. However, when we measure value-weighted returns in calendar time we find that abnormal returns are not significantly different from zero. To some degree, this result is consistent with the findings of other studies which show that IPO under-performance is concentrated in smaller firms. However, we also show that these value-weighted returns are heavily influenced by the high abnormal returns associated with UK privatisations.
JEL Classification: G14, G32
Suggested Citation: Suggested Citation
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