A key factor (or leverage point) is an element of a system that exerts a strong influence on the system's behaviour with minimal efforts.

A system can include several key factors, and they tend not to vary over time.[1]

See also Edit


  1. Juan Martín García (2011), Theory and Practical Exercises of System Dynamics, Barcelona, Spain: Juan Martín García, ISBN 8460998045, 8460998045, 

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