The Pareto managerial principle: When does it apply?

Abraham Grosfeld-Nir, Boaz Ronen*, Nir Kozlovsky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

74 Scopus citations


The well-known 80/20 Pareto principle and its refinement into "A", "B", and "C" categories give rise to a managerial methodology consisting of three steps: classification; differentiation; and resource allocation. This is an easy-to-implement and extremely effective methodology. It starts with the creation of "Pareto diagrams", i.e. bar charts of attributes and their relative frequency, presented in descending order. Typically, Pareto diagrams are useful in that they provide managers with a summary of practical information, revealing critical attributes. However, sometimes a Pareto diagram is less informative than it might be, because the relative frequency is almost uniform. The objective of this article is to provide an analytical tool (an index) that employs the above-mentioned methodology to measure the closeness of empirical Pareto diagrams to an "ideal" Pareto diagram. The index developed is based upon entropy.

Original languageEnglish
Pages (from-to)2317-2325
Number of pages9
JournalInternational Journal of Production Research
Issue number10
StatePublished - May 2007


  • Entropy
  • Pareto principle
  • Theory of constraints


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