A Behavioral Portfolio Decision Model with Triangular Fuzzy Number Return and Investor’s Sentiment

Qiansheng Zhang^1,

¹School of Mathematics and Statistics, Guangdong University of Foreign Studies, Guangzhou 510006, China

Cite this paper:
Qiansheng Zhang. A Behavioral Portfolio Decision Model with Triangular Fuzzy Number Return and Investor’s Sentiment. International Journal of Econometrics and Financial Management. 2020; 8(1):7-12. doi: 10.12691/ijefm-8-1-2

Abstract

This paper deals with a behavioral portfolio decision problem with triangular fuzzy number return. A fuzzy sentimental mean model for behavioral portfolio decision is proposed by taking into account investor’s sentiment and multiple mental accounts. The presented behavioral portfolio decision model maximizes the fuzzy sentimental mean value of portfolio return and ensures the portfolio return of each mental account exceeding the given minimum triangular fuzzy number level with a given possibility degree. Then, multiple programming models are designed to solve the optimal behavioral portfolio strategy. Finally, a numerical example is given to illustrate the validity of the proposed approach.

Keywords:
behavioral portfolio model fuzzy number investor’s sentiment possibility degree mental account

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