Research On The Incentive Effect Of The Tax Preference On The R & D Investment Of High-tech Enterprises

China's economy has changed from the stage of rapid growth to the stage of high quality development in the new era,and it is unswerving to follow the road of independent innovation with Chinese characteristics,strengthen the management of scientific and technological innovation,optimize the system of scientific and technological innovation,and create a better market environment and institutional environment.Stimulate the economic intrinsic motive force and the market main body vitality,release the whole society innovation,start a business,create the kinetic energy to the maximum extent.Therefore,the incentive function of tax preferential policy is particularly important,and it is also an effective way to encourage high-tech enterprises to improve their independent innovation ability.Through the combination of case analysis,literature research and financial index analysis,this paper takes the incentive effect of tax preferential policy on R & D investment of high-tech enterprises as the research topic.Firstly,the research background,purpose and significance are introduced.Secondly,it explains the technological innovation theory,market failure theory,human capital theory and so on,and the tax preferential policies and R & D investment suitable for the case company are illustrated.Finally,under the background of innovation-driven development,combined with the development strategy of case companies,this paper analyzes the incentive motivation and process of tax preferential policy,and takes ZTE's 2008-2018 annual report and related data as research samples.The R & D intensity,tax contribution,enterprise performance and other indicators of the case company are analyzed and compared.The conclusion is that tax preferential policy promotes the increase of R & D investment,R & D investment improves labor production efficiency,stimulates the performance of high-tech enterprises,and achieves the purpose of tax preferential policy to promote scientific and technological innovation.On this basis,this paper puts forward some suggestions,such as continuing to increase the investment of R & D funds and human capital,establishing a perfect incentive system,improving the ability of technological innovation and so on.