Does Overvaluation Lead to Bad Mergers?

43 Pages Posted: 20 Mar 2005

Date Written: May 2007

Abstract

Using managers' personal trading decisions as a window into their belief on firm's valuations, this paper directly examines whether overvaluation is a motive for acquisitions and provides evidence on the consequences of overvalued equity. My findings show a sharp contrast in the behavior of acquirer's insiders between the earlier period and the 'hot market' period of the late 1990s. Moreover, the strong relation between insider trading patterns prior to the acquisition announcement and long-run post-acquisition performance in the later period suggests that acquisitions by overvalued companies are value-destroying and the poor subsequent stock performance is not only a correction of overvaluation.

Keywords: Overvaluation, bad merger, agency costs, insider trading, and long-term stock performance

JEL Classification: G34, G38

Suggested Citation

Song, Weihong, Does Overvaluation Lead to Bad Mergers? (May 2007). AFA 2007 Chicago Meetings Paper. Available at SSRN: https://ssrn.com/abstract=686507 or http://dx.doi.org/10.2139/ssrn.686507

Weihong Song (Contact Author)

Independent

No Address Available

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