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Value Investing: Tools and Techniques for Intelligent Investment by James Montier

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Chapter 4. The Dangers of Diversification and Evils of the Relative Performance Derby[4]

  • Much damage in the world of finance has been committed in the name of diversification. For instance, LTCM thought it was 'diversified' but all its positions were effectively 'convergence' trades. Modern risk management seems to have embedded similar flaws into its structure. All too often, the use of short histories of trailing data provides the illusion of safety.

  • The most recent crisis once again has the fingerprints of naïve diversification all over it. No one appeared to give any thought to the unspoken risk that the USA might just witness a nationwide housing market downturn. Greenspan observed that real estate was 'especially ill-suited to develop into a bubble', blatantly ignoring the evidence provided by Japan and the UK.

  • In the wonderful world of equities, ...

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