| China is the most populous country in the world,and the elderly population in China now accounts for 10 percent of the total population.As China’s border province of xinjiang,both geographically and are very important military significance,there is no doubt that the elderly population in xinjiang "BaoMingQian" can on time relationship between the people’s livelihood and stability of xinjiang,the xinjiang present use is pay-as-you-go system,accumulated and personal account system,the entire province unified management methods.This article mainly discusses how to invest in the xinjiang endowment insurance fund.First in this paper,through introducing the current percentage of the population in xinjiang,through the elderly population bring-up ratio,such as data description method to elaborate the aggravate degree of aging population in xinjiang,and to research endowment insurance theory meaning and realistic meaning of xinjiang has carried on the brief description,in addition,through a study on foreign portfolio method and combining with the domestic experts and scholars have put forward some practical cases,set the stage for the writing below.Then,we briefly introduce the theory and model that we need to use in the process of writing the paper,which is the mean-var model of markowitz and the constant variance elasticity model(CEV).Then mainly in this paper,the factors affecting pension investments in xinjiang and xinjiang pension operation there may be a problem,and through comparing the income of the national social security fund and pension,and combine the maturity of our country stock market now do to xinjiang endowment insurance gold investment feasibility analysis,and use a variety of investment income and the comparison of the CPI,analyze the necessity of xinjiang’s pension.And then studied the xinjiang DC optimal investment strategy problem,through the actual investment yields the fitting of the markowitz mean variance model,standard deviation(risk)is obtained by using the Matlab software in less than 10% of the portfolio,made the static of endowment insurance fund investment process in xinjiang,then using the constant variance model,for xinjiang to study the endowment insurance,endowment insurance fund and the xinjiang respectively into riskless asset and risky asset portfolio,and joined the random salary conditions,using the dynamic programming principle and about the HJB equation of endowment insurance fund in xinjiang,because of the equation is not easy to solve,then using the logarithmic utility function to find the optimal investment strategy,further find out xinjiang endowment insurance gold on investments in risky assets and risk-free asset in the optimal investment proportion,in the final moments of wealth can maximize utility.Finally,the paper makes a summary,puts forward the shortcomings of the paper,and finally puts forward some Suggestions on the supervision of the pension insurance in xinjiang. |