Application of fuzzy calculations for improving portfolio matrices

Authors:
S. Ghazinoory;A. Esmail Zadeh;A. S. Kheirkhah
Affiliations:
Department of Information Technology Management, Tarbiat Modares University, Tehran, Iran;Department of Industrial Engineering, Bu-Ali Sina University, Hamedan, Iran;Department of Industrial Engineering, Bu-Ali Sina University, Hamedan, Iran
Venue:
Information Sciences: an International Journal
Year:
2010

Citing 10
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Abstract

In this paper, we draw upon portfolio analysis to develop and implement a strategic decision making model. We consider the limitations and problems of classic portfolio analysis approach and resolve these problems by using fuzzy set theory. In the proposed method, both internal and external factors are evaluated in linguistic terms and in terms of fuzzy triangular numbers. The fuzzy numbers are fed into an industry attractiveness-business analysis matrix. The novelty of the proposed approach comes from the fact that fuzzy numbers are processed without using conventional methods, allowing for strategies to be ranked.