| Securities investment fund is a collective investment scheme,through public offering of fund shares to raise funds,the fund custody and operation is by the person in charge,respectively for the fund trustee and fund management,fully guarantee the fund share of income of the rights and interests.The security market is an attractive place,which makes people from different countries indulge in them.China's securities market is booming,the number of investment funds,the scale and variety has increased greatly,and investor demand is also increasingly strong But most of the investors in our country are lack of professional investment theory,so it is very urgent and important to establish a scientific and reasonable evaluation system for the performance of securities investment funds.In the evaluation process,we should not only ensure the fairness and authority of the organization,but also to establish a set of perfect system to explain and reflect.In other words,the development of our financial industry to a certain stage will inevitably be involved in the evaluation of securities investment fund research related areas.The above the base of the existing research will further explore of interval valued intuitionistic fuzzy sets of multiple attribute group decision-making methods and theories,and to further observe the application in securities investment fund performance evaluation system and the general research ideas are as follows:1.Explore the fund performance evaluation index system.At first,this paper introduces the three kinds of fund performance evaluation indexes,such as the classic special Renault index,the SHARP ratio and the Jansen index,and discusses the application range and limitation of these three kinds of classical indexes.Then the paper analyzes and discusses the index selection principle of performance evaluation of the securities investment fund,and then constructs the index system of evaluating the performance of the fund on the basis of this principle.2.The basic theory of fuzzy entropy is introduced.A new formula of intuitionistic fuzzy entropy is proposed,and compared with other intuitionistic fuzzy entropy formula,the rationality and superiority of the new formula are explained.Because the attribute evaluation value of the scheme is interval valued intuitionistic fuzzy sets,the formula is extended to the interval valued intuitionistic fuzzy entropy formula,and it is also reasonable.3.In general,there are theoretical knowledge about fuzzy multi-attribute group decision-making,and research methods to determine the weights of the attributes and the weights of the decision makers.In the two kinds of information not explicit assumptions,application of intuitionistic fuzzy entropy theory,according to the attribute index evaluation values to determine the decision makers weights,maximizes thought to determine the individual attribute weights based on the deviation,using weighted aggregation operator to each decision maker's decision aggregation matrix for groups of interval valued intuitionistic fuzzy decision matrix,effective way to avoid the individual subjective factor influence.4.In the performance of existing securities investment fund evaluation based on the research results,construct the fund performance evaluation index,including fund profitability,risk control,performance persistence,timing ability,stock selection ability,a total of 5 indexes;the interval valued intuitionistic fuzzy numbers to describe the attribute value index,fuzzy the evaluation information aggregation operator weighted fuzzy set synthesis by each decision interval intuitionistic the final compromise ratio by using the method of multi attribute group decision making for the comprehensive evaluation of 5 equity securities investment fund,choose the most suitable from the securities investment fund,then through further comparison with other similar methods,it is concluded that the method is a more practical,more flexible. |
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