Mauboussin on Strategy: The Coffee Can Approach—Why Doing Less Can Leave You with More

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Mar 29, 2011
Making asset class and manager changes too frequently can diminish, not enhance, long-term results.


• Investors often make changes to their portfolios—with the best of intentions—that do not add value.


• These mistakes include reallocation of a portfolio from one asset class to another as well as switching from one manager to another within an asset class.


• Analysis through simulation shows that investors would be better off extending the industry standard three-year window for manager assessment.


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