Research on investment value model of the National Critical Technology based on independent innovation

National critical technology played an important role in economic development, society advancement and national defence security in China, independent innovation became the core competitive capacity of China, therefore our urgent tasks is to research and development our national critical technologies based on independent innovation. This paper adopts the real option method, the serial investment decision-making theory and NPV method to create the model of independent innovative investment value model of the national critical technology based on income approach, and has done some tentative researches on the theory and method of the independent innovation model.