Effectiveness of securities with fuzzy probabilistic return

Krzysztof Piasecki

MPRA Paper from University Library of Munich, Germany

Abstract: The generalized fuzzy present value of a security is defined here as fuzzy valued utility of cash flow. The generalized fuzzy present value cannot depend on the value of future cash flow. There exists such a generalized fuzzy present value which is not a fuzzy present value in the sense given by Ward [35] or by Huang [14]. If the present value is a fuzzy number and the future value is a random variable, then the return rate is given as a probabilistic fuzzy subset on the real line. This kind of return rate is called a fuzzy probabilistic return. The main goal of this paper is to derive the family of effective securities with fuzzy probabilistic return. Achieving this goal requires the study of the basic parameters characterizing fuzzy probabilistic return. Therefore, fuzzy expected value and variance are determined for this case of return. These results are a starting point for constructing a three-dimensional image. The set of effective securities is introduced as the Pareto optimal set determined by the maximization of the expected return rate and minimization of the variance. Finally, the set of effective securities is distinguished as a fuzzy set. These results are obtained without the assumption that the distribution of future values is Gaussian.

Keywords: behavioural present value; fuzzy present value; random future value; fuzzy probabilistic return; effective financial security. (search for similar items in EconPapers)
JEL-codes: C02 C65 G12 (search for similar items in EconPapers)
Date: 2011-07-06
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

Published in Operations Research and Decisions 2 (2011): pp. 65-78

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