Clarifying Concepts

Part of the Studies in Public Choice book series (SIPC, volume 20)


Unanimity rule and the Pareto criterion appear so alike that several authors have treated them as almost interchangeable. Arrow (1951) described the Pareto principle as a unanimity principle. Fishburn (1973) refers to the Pareto criterion as strong unanimity. And Buchanan (1967, 285) described unanimity rule as the “political counterpart” of the Pareto criterion.


Pareto Optimality Pareto Improvement Unanimity Rule Pareto Principle Pareto Optimal Outcome 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Political ScienceUniversity of GeorgiaAthensUSA
  2. 2.Department of MathematicsFlorida International UniversityMiamiUSA

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