Management Articles
by Warren Buffett
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Berkshire Hathaway 2007 Letter to Shareholders
 
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"A truly great business must have an enduring "moat" that protects excellent returns on invested capital. The dynamics of capitalism guarantee that competitors will repeatedly assault any business "castle" that is earning high returns... She's smart, she
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Who Really Cooks the Books?
 
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"For many years, I've had little confidence in the earnings numbers reported by most corporations. I'm not talking about Enron and WorldCom - examples of outright crookedness. Rather, I am referring to the legal, but improper, accounting methods used by chief executives to inflate reported earnings.
The most flagrant deceptions have occurred in stock-option accounting and in assumptions about pension-fund returns. The aggregate misrepresentation in these two areas dwarfs the lies of Enron and WorldCom."