Building Intuition

Volume 115 of the series International Series in Operations Research & Management Science pp 81-100

Little's Law

  • John D. C. Little
  • , Stephen C. Graves

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The average waiting time and the average number of items waiting for a service in a service system are important measurements for a manager. Little's Law relates these two metrics via the average rate of arrivals to the system. This fundamental law has found numerous uses in operations management and managerial decision making.