Guerra, Maria Letizia; Sorini, Laerte; Stefanini, Luciano - Facoltà di Economia, Università degli Studi di Urbino - 2013
In this paper we show that the possibilistic mean values produce computation results that may differ in a non trivial may from those obtained with the fuzzy extension principle. The evidence is carried out by comparing some examples derived from several models in finance and economics.