Strategy Lenses · Frameworks
Porter's Five Forces
Michael Porter's 1979 framework for industry profitability: rivalry, new entrants, buyer power, supplier power and substitutes, with airlines vs soft drinks, how to use it, generic strategies, and its limits.
Step 1 of 5 · Overview30 min read ·
Key idea
Prereqs: Moats & competitive advantage. Next: Disruption: The Innovator's Dilemma; Capital allocation like Buffett. Sources: Michael Porter, 'How Competitive Forces Shape Strategy' (HBR, 1979) and 'The Five Competitive Forces That Shape Strategy' (HBR, 2008); *Competitive Strategy* (1980).Next: 1. The forces