Risk Assessment of a Portfolio Selection Model Based on a Fuzzy Statistical Test
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概要
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The objective of our research is to build a statistical test that can evaluate different risks of a portfolio selection model with fuzzy data. The central points and radiuses of fuzzy numbers are used to determine the portfolio selection model, and we statistically evaluate the best return by a fuzzy statistical test. Empirical studies are presented to illustrate the risk evaluation of the portfolio selection model with interval values. We conclude that the fuzzy statistical test enables us to evaluate a stable expected return and low risk investment with different choices for k, which indicates the risk level. The results of numerical examples show that our method is suitable for short-term investments.
著者
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Watada Junzo
Graduate School Of Information Production And Systems Waseda University
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Wu Berlin
Department Of Mathematical Science National Chengchi University
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LIN Pei-Chun
Graduate School of Information, Production and Systems, Waseda University
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