Theory and Decision

, Volume 43, Issue 3, pp 209–218

Order relations among efficient decision rules

  • Jacob Paroush


The paper introduces the concept of polar decision rules and establishes that majority rules are polar rules. We identify second best rules and penultimate rules in cases that majority rules are optimal or the most inferior, respectively. We especially specify the almost expert rule and the almost majority rule as the secondary rules of the expert and majority rules, respectively.

Order relations decision rules polar rules 


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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Jacob Paroush
    • 1
  1. 1.Department of EconomicsBar-Ilan UniversityIsrael

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