External Growth through Mergers
Author’s Overview
The discussion of mergers and acquisitions brings together a number of topics discussed earlier
in the text. The instructor is able to take a second look at earnings per share growth,
price-earnings ratios, stockholder wealth maximization, and portfolio considerations. These
topics are considered in the present existing merger environment. Most students enjoy hearing
about unfriendly takeovers, proxy battles, White Knights and various defensive strategies.
A central consideration in the chapter is the effect of differential P/E ratios on postmerger
earnings per share. Once this concept is understood, the student should be encouraged to
consider why P/E ratios may differ for the acquiring firm and the merger candidate. At least
one major variable affecting P/E ratios is the possibility of differential future growth rates.
Through numerical analysis, the student begins to see that the short-term impact on earnings
per share can be very different from the long-term effect. Of greater importance, the student is
forced to consider what the impact of these short and long-term effects will be on the
postmerger valuation. Another important consideration is the portfolio effect associated with
the merger.
The price movement pattern associated with mergers is also worthy of consideration. Not only
is the material of interest to students who relate well to investment-oriented subjects, but it is
also an important consideration to corporate financial management. The premium offered and
the associated price movement may determine management’s strategy with regard to accepting
or fighting a proposal. This is particularly relevant in the latest merger movement in which
unfriendly offers for undervalued assets are commonplace.
We introduce the chapter with examples of Warren Buffets acquisitions of H.J. Heinz Company,
Lubrizol and the Burlington Northern Railroad and also present some of Berkshire Hathaway’s
portfolio holdings. Additionally we present the U.S. Airways American Airlines merger, which
was really the “shark” (U.S. Airways) eating the “whale” (American Airlines). Not to ignore
biotech we also present Gilead’s purchase of Pharmasset and consolidation in the energy
industry. This leads us into Table 20-1 where we present the largest acquisitions ever.
Chapter Concepts
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