Arrow Index of a Fuzzy Choice Function

• Autorzy: Georgescu I.
• Języki publikacji: EN

Abstrakty

EN

The Arrow index of a fuzzy choice function C is a measure of the degree to which C satisfies the Fuzzy Arrow Axiom, a fuzzy version of the classical Arrow Axiom. The main result of this paper shows that A(C) characterizes the degree to which C is full rational. We also obtain a method for computing A(C). The Arrow index allows to rank the fuzzy choice functions with respect to their rationality. Thus, if for solving a decision problem several fuzzy choice functions are proposed, by the Arrow index the most rational one will be chosen.

Słowa kluczowe

EN

fuzzy choice function; revealed preference indicator; congruence indicator; similarity

• Wydawca: IOS Press
• Czasopismo: Fundamenta Informaticae
• Rocznik: 2010
• Tom: Vol. 99, nr 3
• Strony: 245--261
• Opis fizyczny: Bibliogr. 36 poz.

Twórcy

autor

Georgescu I.

• Academy of Economic Studies, Dept. of Economic Cybernetics, Piata Romana No 6, Bucharest, Romania P. O. Box 1–432, 014700, Bucharest, Romania,

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