This text provides informative, short introductions to the core concepts of Operations Management. This text contains more than 50 concept entries and is fully cross-referenced.An outstanding reference for Operations Management students at all levels. 



Just-in-Time inventory management consists of sourcing materials and parts at the right time, in the right place, and in the right quantity. Its purpose is to eliminate any form of unnecessary inventory in order to achieve a continuous flow of production state.

Theory of Swift, Even Flow

According to Schmenner and Swink (1998), the theory of swift, even flow holds that the more swift and even the flow of materials through a process, the more productive that process will be. This theory corresponds to a number of laws:

  • Law of variability: ‘The greater the random variability, either demanded of the process or inherent of the process itself or in the items processed, the less productive the process is’.
  • Law of bottleneck: ‘An operation's productivity is improved by eliminating ...
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