Defect Analysis And Study On Improvement Of Indexes And Methods Of Investment Decision

The investment decision is an significant work in the pre construction project, which plays a very important role.Method of investment project decision is correct or not directly affects the success of the construction project and the project investment benefit. However, the dissertation explains the investment decision methods which have many defects in theoretical analysis and practical verification. These defects seriously affect the appraisal conclusion results. It’s necessary to analyze and discuss about economic evaluation theory of investment decision.The dissertation mainly analyzes existence question and the defects about appraisal and the method in the present economic evaluation system of investment decision, then combines these defects to propose corresponding improvement and perfection strategies.Firstly, the dissertation introduces the background and significance of the topic, domestic and foreign research situation as well as the main ideas and technical route of this article. Secondly, the dissertation gives a good overview of construction project theory system. Thirdly, the dissertation gives a deep analyzes about the defects of evaluation index and evaluation method of mutual exclusion scheme. Fourthly, it put forward the corresponding suggestions on the defect evaluation index. Finally, the dissertation establishes a fuzzy comprehensive evaluation model, which is optimized the mutually exclusive alternatives under the premise of considering the evaluation of construction project.