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Five Common Strategy Mistakes

Harvard Business Review

I just finished a two-year project looking at Michael Porter's most important insights for managers. Connecting the dots between his classic frameworks ( the five forces , for example) and his latest thinking (the five tests of strategy) gave me a new understanding of the most common mistakes that can derail a company's strategy.

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Untangling Skill and Luck

Harvard Business Review

Take, for instance, a group of companies that currently have high returns on invested capital (ROIC). If you follow that group over time, you would see their ROICs revert back toward the cost of capital. Mauboussin is chief investment strategist at Legg Mason Capital Management and an adjunct professor at Columbia Business School.

Skills 15