Harvard Business Review Leadership Library: The Executive Collection (12 Books)

CHAPTER 5

From Competitive Advantage to Corporate Strategy

Michael E. Porter

CORPORATE STRATEGY, THE OVERALL PLAN for a diversified company, is both the darling and the stepchild of contemporary management practice—the darling because CEOs have been obsessed with diversification since the early 1960s, the stepchild because almost no consensus exists about what corporate strategy is, much less about how a company should formulate it.

A diversified company has two levels of strategy: business unit (or competitive) strategy and corporate (or companywide) strategy. Competitive strategy concerns how to create competitive advantage in each of the businesses in which a company competes. Corporate strategy concerns two different questions: what businesses ...