Does Corporate Diversification Destroy Value?
38 Pages Posted: 15 Dec 1999
There are 2 versions of this paper
Does Corporate Diversification Destroy Value?
Date Written: April 23, 2001
Abstract
We analyze several hundred firms that expand via acquisition and/or increase their reported number of business segments. The average combined market reaction to acquisition announcements is positive but, according to the Berger and Ofek (1995) method for valuing conglomerates, the excess values of the acquiring firms decline after the diversifying event. For our sample, half or more of the reduction in excess value occurs because the firms acquire already-discounted business units, and not because combining firms destroys value. We also show that firms that increase their number of business segments due to pure reporting changes do not exhibit reductions in excess value. Our results suggest that the standard assumption that conglomerate divisions can be benchmarked to typical stand-alone firms should be carefully reconsidered.
Keywords: Corporate Diversification, diversification discount, excess value
JEL Classification: G31, G32, G34
Suggested Citation: Suggested Citation
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