The essential complement to the pathbreaking book Competitive Strategy, Michael E. Porter's Competitive Advantage explores the underpinnings of competitive advantage in the individual firm.

Competitive Advantage introduces a whole new way of understanding what a firm does. Porter's groundbreaking concept of the value chain disaggregates a company into "activities," or the discrete functions or processes that represent the elemental building blocks of competitive advantage.

Now an essential part of international business thinking, Competitive Advantage...