The Research Of Property Exploitation Investment Portfolio

The property investment decision-making is the property development company an important link which first must solve before the property investment project management developmentThe property investment decision-making is correct or not,relates directly to the property development project success or failure. Which have the reality and the profound vital significance to the real estate investment economic efficiency and the social efficiency.This article through conducts the systematized research to the property investment profolio, proposed the influence effect,lighting project and lighting effect and so on concepts-Pointed out in the property project investment actual operation,the sole economical data target cannot take the only policy-making basis. If we want to cause the company to obtain the income maximization in the long-term investment,must consider the supplementary economic efficiency,then points out the risk and the investment profolio inner link. And use the performance data is smooth,the fuzzy mathematics as well as the negotiable securities combination choice model concept,has established under the certain economic gain the risk smallest property investment profolio mathematical model. Produced the property investment profolio to carry on the project choice the judgment formula and the returns ratio risk coefficient η. And unifies the SWOT method and the expert investigation method,by obtains the more accurate forecast result Has proven in the multi-projects property investment,how selects the best investment profolio and the best investment ratio, by through the reasonable investment profblio,achieved dodges the risk and to obtain the ideal economic gain and the social influence goal.Through to the case analysis research,the certificate fuzzy investment profolio model and the returns ratio risk coefficient η unifies,is one effective mathematics method. It may select the best investment project for the property enterprise in the multi- projects investment to provide the theory basis with various sub-items goal investment ratio. Makes a beneficial supplement to the project initial investment decision-making research technique. The fuzzy investment profolio model and the returns ratio risk coefficient η in the project decision-making application, may the better instruction new project smoothly carry on..