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논문 기본 정보

자료유형
학술저널
저자정보
Seyyed Hamed Abtahi (Bank Pasargad)
저널정보
한국지능시스템학회 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS Vol.23 No.1
발행연도
2023.3
수록면
44 - 55 (12page)
DOI
10.5391/IJFIS.2023.23.1.44

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초록· 키워드

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The financial market is a complex system owing to its inherent dynamics and indeterminacy. It is well known that uncertainty and randomness are two types of indeterminacy. When there are sufficient historical data, random variables are considered, and when the data are lacking, uncertain variables are considered. In numerous complex systems, such as financial markets, uncertainty and randomness often appear simultaneously. To model the indeterminacy associated with complex systems, including uncertainty and randomness, uncertain random variables are used. Massive shifts in financial market prices can cause considerable discrepancies in the normality assumption of security returns. To overcome the restriction imposed by the normality assumption and capture the non-normality of security returns, this study proposes the concept of skew chance distribution based on a skew-normal uncertainty distribution. A mean-entropy model is presented as an application for portfolio optimization problems. Moreover, a genetic algorithm is implemented in MATLAB to obtain the numerical results.

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Abstract
1. Introduction
2. Preliminaries
3. Skew Chance Distributions
4. Uncertain Random Portfolio Optimization
5. Conclusion
References

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