Generalized means of jurors' competencies and marginal changes of jury's size

Luba Sapir

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A manager facing a dilemma might consult some of his senior employees, and decide according to the advice of the majority. Should he consult only those on whom he relies most, or let more people share in the decision? We analyze how does the augmentation of a jury by adding two potential jurors influence the probability of making the "correct" choice. We obtain a necessary and sufficient condition for the total correctness probability to increase, assuming that the competence structure of the committee is known. The intuitive meaning of the condition is explained in terms of a certain mean competence.

Original languageEnglish
Pages (from-to)83-101
Number of pages19
JournalMathematical Social Sciences
Volume50
Issue number1
DOIs
StatePublished - 1 Jul 2005

Keywords

  • Combined expertise
  • Decision rules
  • Mean competence
  • Simple majority rule

ASJC Scopus subject areas

  • Sociology and Political Science
  • Social Sciences (all)
  • Psychology (all)
  • Statistics, Probability and Uncertainty

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