| The 21 st century is the era of knowledge economy,the continuous warming of market competition,technological innovation activities become a priority for companies to respond to challenges.However Innovation process is prone to "market failure" problem.so it requires government policy intervention and guidance.In many of the government macro-control tools,tax incentives become the government’s priority measures because of it more inclined to use the power of enterprises and the market,with Pratt & Whitney.As a tax incentives for innovation activities directly for the research and development costs plus deduction policy,through the impact of R&D investment to enhance the enterprise’s ability to innovate,the impact on the enterprise deep.At the same time,on November 2,2015,China promulgated a new R&D expenses plus deduction policy,the New Deal in many aspects of the adjustment,as many high-tech enterprises of the Gospel.In addition,the performance evaluation of high-tech enterprises has changed quietly and the lag of innovation output makes the traditional financial evaluation system which focuses on short-term performance is no longer suitable for the development of innovative enterprises.Under the background of the macroeconomic policy advantage and the change of the performance evaluation system,this paper makes a detailed analysis of the relevant theories and compares the new policies in detail.Based on the actual case analysis of HuaRun 999,it is found that the preferential tax policy will improve the R&D investment positivity,positive impact on corporate financial performance and innovation performance.Although the innovation output is lagging behind,the short term financial ind icators can’t be reflected,but after a period of development innovative performance and financial performance will converge.Through the research of this paper,the author makes relevant suggestions on how to use the New Deal to carry out R &D innovation and how the government can better promote the implementation of the new policy. |