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" Accordingly, managerial output can be linked to managerial activity by the equation: Managerial Output = Output of organization = L1 × A1 + L2 × A2 +… This equation says that for every activity a manager performs—A1, A2, and so on—the output of the organization should increase by some degree. The extent to which that output is thereby increased is determined by the leverage of that activity—L1, L2, and so on. A manager’s output is thus the sum of the result of individual activities having varying degrees of leverage. Clearly the key to high output means being sensitive to the leverage of what you do during the day. Managerial productivity—that is, the output of a manager per unit of time worked—can be increased in three ways: 1. Increasing the rate with which a manager performs his activities, speeding up his work. 2. Increasing the leverage associated with the various managerial activities. 3. Shifting the mix of a manager’s activities from those with lower to those with higher leverage. Let us consider first the leverage of various types of managerial work. HIGH-LEVERAGE ACTIVITIES These can be achieved in three basic ways: • When many people are affected by one manager. • When a person’s activity or behavior over a long period of time is affected by a manager’s brief, well-focused set of words or actions. • When a large group’s work is affected by an individual supplying a unique, key piece of "
― Andrew S. Grove , High Output Management