Short selling is one of the important financial vehicles for real investment activities. Most of
the traditional fuzzy portfolio models are established without short selling, which cannot …

With increasing profit in securities investment, portfolio analysis has become a major topic
for investors. We propose a fuzzy portfolio model as it is an efficient portfolio selection …

Many of the portfolio selection problems involve multiple numbers of conflicting and
imprecise criteria in the decision environment. Multi-criteria decision-making approaches …

While the international lockdown for the COVID-19 pandemic has greatly influenced the
global economy, we are still confronted with the dilemma about the economy recession …

Based on the concept of high returns as the preference to low returns, this study discusses
the adjustable security proportion for excess investment and shortage investment based on …

Developing carbon finance is significant to a green-oriented transition of energy but
suffering risks in China. This article aims to construct a framework for the risk identification …

When it comes to business operation, the institutions have to choose some appropriate
projects from numerous projects to invest. To this end, they should consider to establish a …

In order to solve the problem of investment style drift of open industry theme fund, this paper
divides 110 industry theme stocks into ten types based on ITC classification by establishing …

In financial markets, investors will face not only portfolio risk but also background risk. This
paper proposes a credibilistic multi-objective mean-semi-entropy model with background …

Fuzzy portfolio selection on the guaranteed return rate has been proposed to study excess
investment in different dimensions of risk preferences. However, the theory of behavioural …