| At present,China is in the period of industrial restructuring and power transformation of economic growth,facing the opportunities and challenges brought by the world's new science and technology,innovation must be the core driving force to improve the quality of economic and social development.Enterprises are the core subject of innovation-driven strategy.Technological innovation is the source of power for enterprises to survive and develop.However,the inefficiency of technological innovation is still the main problem of Chinese enterprises 'innovation.R&D activities are the key for enterprises to improve production efficiency and maintain competitive advantage.In order to enhance product competitiveness and market participation at home and abroad,enterprises continue to increase their R&D investment;the government also uses national resources to subsidize R&D activities of enterprises,and the scale of R&D funding continues to expand.In recent years,the innovation ability of enterprises in different regions has been improved,but the phenomenon of high input and low output still exists,and the level of innovation efficiency is low.The institutional mechanism adapting to innovation-driven needs to be established and improved urgently.Enterprise R&D investment and government R&D funding are the main sources of R&D funds,but due to their different subjects,there are differences in the effect of innovation.As the self-financing fund of enterprises,R&D investment of enterprises is guided by "market demand" and obtains new products or technologies.Its utilization efficiency is higher than that of government R&D subsidies.However,due to the fact that the market is lower than the social optimum in R&D resource allocation,in order to optimize the efficiency of R&D resource allocation,effective government intervention is still needed.While overcoming market failure and optimizing the allocation of social resources,government R&D funding will also reduce market efficiency and distort market incentive mechanism.So what role does the two play in the innovation efficiency of enterprises? Is there any difference between them? How to coordinate the structure of R&D funds can the innovation efficiency of Chinese enterprises reach the optimum?On the basis of combing and summarizing the existing literature at home and abroad,this study makes a theoretical analysis using innovation theory,externality theory and market failure theory,and uses panel data of Chinese industrial enterprises from 2006 to 2016 to empirically test the impact of government R&D support and enterprise R&D input on enterprise innovation efficiency.Firstly,a stochastic frontier model transcending logarithmic production function is constructed.Frontie 4.1 statistical software is used to quantitatively analyze the impact of government R&D funding and enterprise R&D investment on enterprise innovation efficiency.Secondly,a threshold regression model is constructed to quantitatively analyze the optimal interval of government R&D funding intensity and enterprise R&D investment intensity using stata.13.0 software.The main conclusions are as follows:(1)During the research period,the innovation efficiency level of industrial enterprises is still low,but it keeps improving year by year;(2)In the process of enterprise innovation,enterprise R&D investment can promote the improvement of enterprise innovation efficiency,while government R&D funding has a negative impact on enterprise innovation efficiency;(3)he impact of enterprise R&D investment on innovation efficiency has a significant threshold,only appropriate.The R&D investment intensity of enterprises is within a reasonable range,so the R&D investment of enterprises can give full play to its role in promoting the innovation efficiency of enterprises.The influence of government R&D funding on innovation efficiency has obvious threshold.Only when the intensity of government R&D funding is within a reasonable range,can the negative impact of government R&D funding on enterprise innovation efficiency be minimized.At present,the optimal range of government R&D funding intensity is 0.047-0.185,and the optimal range of enterprise R&D investment intensity is 0.904-0.967.This study provides a new way of thinking for resolving the disputes between enterprises and government support as innovators under the special economic system of our country. |
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