| Public project investment decision-making system is an integral part of the economic system. the economic system as a socio-economic life norms, should constantly reform and improve with economic development. The research and improvement of government public project investment decision-making system fundamentally depend on the government's own understanding to their economic management functions.At present, in some of our government investment projects, the project's owners and investment subjet are not the same person, which makes the investor not clear, resulting in blind spots about government investment project management and monitoring and a waste of resources, produce phenomena such as corruption , making the taxpayer's interests harmed. The reason of multi-level management and management structure of cross-cutting, leading to the government's macro-level decision-making departments's project asymmetric information. The above two issues are the crux of current government's public project investment decision-making system, therefore, this paper focus on these two issues. Putting forword to build scientific decision-making system of government's public project investment decision-making system from three aspects :decision-making subject, thinking and decision-making procedures to makes the fundamental change come true.From the perspective of the decision-making subject , the paper advocates a integrated decision-making subject model, which is formed of policy makers, practitioners, consultants and the public these four main subject. And based on bureaucratic theory, analyse the motivation of decision-makor in macroeconomic policy makers level , putting forword considerations about public project investment decision-making system from thinking form, to the decision-making, and is necessary to achieve the utilitarian thinking into the decision-making comprehensive policy thinking on applying theory to guide thinking and practice, and establish the value of the entire project life cycle and to measure the angle of the public works projects of the investment decision-making scientific thinking ; on the scientific decision-making procedures, this paper analyzes the public works in the investment decision-making market information asymmetries and administrative information of the causes and consequences of asymmetric proposed based on the theory of asymmetric information IPMIS integrated information management model prototype, for now widely applicable business model and the two Agent System Management Mode of public works projects, from the perspective of institutional investment decision-making by public projecr departments decision-making status and management functions and decision-making adjustments proposed plan adjustment mode. |