This paper investigates properties of composite majority functions with the aid of recursive formulas in the context of collective decision making in multi-tier hierarchies. The effects of changes in system structure on collective competence are examined. In addition to the theoretical importance, the results given here are applicable in designing hierarchies where the cost in the form of competence loss has to be considered against the benefit of time-saving and other expenses. (C) 1998 Elsevier Science B.V.
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University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, CanadaUniversity of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
Zhu, Mu
Wang, Shangsi
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University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, CanadaUniversity of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
Wang, Shangsi
Xin, Lu
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University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, CanadaUniversity of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada