Order relations among efficient decision rules

Jacob Paroush

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The paper introduces the concept of polar decision rules and estab-lishes 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.

Original languageEnglish
Pages (from-to)209-218
Number of pages10
JournalTheory and Decision
Issue number3
StatePublished - 1997


  • Decision rules
  • Order relations
  • Polar rules


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