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FUZZY ECONOMIC REVIEW

ISSN (print) 1136-0593 · ISSN (online) 2445-4192

FUZZY ECONOMIC REVIEW, Volume II

The price-cost relation in a fuzzy decision problem

L.L. Lazzari, E.A.M. Machado, R.H. Pérez Universidad de Buenos Aires

In this paper, the authors further develop the proposal for the fuzzy decision theory which considers the state of events as a triangular (TFN) or trapezoidal (TFNr) fuzzy number, and show the incidence of the price-cost relation on the results obtained with the proposed algorithm.
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Recognizing estable corporate groups: a fuzzy classification method

Alain Counturier, Conservatoire National des Arts et Mètiers (CNAM) Nantes

Bernard Fioleau, Faculté des Sciences Economiques et de Gestion

This article presents a method for fuzzy classification with overlap (ssim) and the results obtained by applying it to a sample of French companies. The ssim method allows stable company clusters to be recognised. The results are discussed and compared to those yielded by other fuzzy classification methods: the K-means…
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Actuarial mathematics with fuzzy parameters. An application to collective pension plans

A. Betzuen, M. Jiménez, J. A. Rivas. Universidad del País Vasco-Euskal Herriko Universitatea

Two types of uncertainty are found in the actuarial valuation operations. One of them is related to the random laws but the other is unrelated to them. In the latter one the opinion of the experts plays an essential role. We understand this uncertainty must be dealt with by means…
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