| Industry is the pillar industry of the national economy,which brings huge material wealth to the society.However,for a long time,the extensive development mode of "high pollution,high emission and high energy consumption" has led to increasingly acute environmental problems,which seriously restricts the sustainable development of industry.How to coordinate the relationship between industrial development and environmental protection,effectively improve the industrial green total factor productivity(GTFP),truly embarked on the road of industrial green transformation has become very urgent.In the new normal stage of economic development,China’s economy is shifting from high-speed growth to high-quality growth.It is in a critical period of shifting from investment-driven and elements-driven to innovation-driven,and R&D investment is an important source of sustained innovation.Therefore,in the context of China’s increasing emphasis on green development and innovation-driven development,accurately grasping the impact of R&D investment on industrial GTFP has important theoretical value and practical significance for formulating innovation-driven strategies with the core of improving industrial GTFP and realizing green industrial development in China.This paper divides R&D investment into independent innovation,foreign technology import and domestic technology transfer.On the basis of literature review and current situation analysis,the mechanism of independent innovation and technology introduction on industrial GTFP is clarified theoretically.Then,according to the technology gap,the whole country is divided into three technological regions:high,medium and low.The growth effect of R&D investment on industrial GTFP in each technological region is tested empirically.Finally,according to the empirical conclusions,some policy suggestions are put forward to improve industrial GTFP.This paper focuses on the impact of industrial GTFP and R&D investment on industrial GTFP,and studies the following issues:First,to estimate China’s industrial GTFP.The EBM-Luenberger index method was used to measure the industrial GTFP of 30 provinces in China from 2008 to 2016,and the regional differences,dynamic trends and driving factors were analyzed.The results show that the average industrial GTFP of the whole country is 0.999,and there are great differences among the technical regions,among which the average industrial GTFP of the high technical region is 1.015,the average industrial GTFP of the medium technical region is 1.002,and the average industrial GTFP of the low technical region is 0.980.On the whole,the industrial GTFP of the survey period is on the rise.In the process of exponential decomposition,it is found that the increase of industrial GTFP in China is mainly driven by GTC.Secondly,from an empirical perspective,the paper focuses on the growth effect of R&D investment on industrial GTFP,and also focuses on the influence of environmental regulation,financial development and other factors in various regions.The fixed effect model is used to conduct the regression analysis on the panel data.The results show that,firstly,the effects of the three kinds of R&D investment are obviously different in different technical regions.Independent innovation is beneficial to the improvement of industrial GTFP in the regions with high technological level,but not conducive to the improvement of industrial GTFP in the regions with medium and low technological level.The foreign technology import can significantly improve the industrial GTFP in the middle and low technology level regions,but the effect on the high technology level regions is not obvious.Domestic technology transfer can only promote the industrial GTFP to some extent in the medium technological level area.Second,factors such as environmental regulation,financial development also has important influence on industrial GTFP,and this effect also has significant difference between the different technology regions,such as environmental regulation to interact with the independent innovation in high technical region is positive impact to the industrial GTFP meet "porter hypothesis",but in the other two technical regions it is negative,in line with the "compliance cost".However,the financial development level of each technical region has a significant positive impact on the industrial GTFP.Finally,on the basis of the research conclusions of this paper,it is suggested that the government should implement differentiated innovation-driven strategies according to the regional differences in technology levels,so as to provide technical support for the realization of China’s industrial green development. |
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