Differences in operational effectiveness were at the heart of the Japanese challenge to Western companies in the 1980s. The Japanese were so far ahead of rivals in operational effectiveness that they could offer lower cost and superior quality at the same time. It is worth dwelling on this point, because so much recent thinking about competition depends on it. Imaging for a moment a productivity frontier that constitutes the sum of all existing best practices at any given time. Think of it as the maximum value that a company delivering a particular product or service can create at a given cost, using the best available technologies, skills, management techniques, and purchased input. The productivity frontier can apply to individual activities, to groups of linked activities such as order processing and manufacturing, and to an entire company’s activities. When a company improves its operational effectiveness, it moves toward the frontier. Doing so may require capital investment, different personnel, or simply new ways of managing.