Merging with public companies presents a special problem for us. If we are to offer any premium to the acquiree, one of two conditions must be present: Either our own stock must be overvalued relative to the acquiree’s, or the two companies together must be expected to earn more than they would if operated separately. Historically, Berkshire has seldom been overvalued. In this market, moreover, undervalued acquirees are almost impossible to find. That other possibility—synergy gains—is usually unrealistic, since we expect acquirees to operate after we’ve bought them just as they did before.
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