| Changing the model of economic growth,improving the efficiency of factor utilization,driving economic growth through technology,and adhering to the coordinated development of the economy and the environment are inevitable choices for China.The Yangtze River Economic Belt,as an important engine of China's economic development,has an important strategic position in the country.The Yangtze River Delta urban agglomeration and Chengdu-Chongqing urban agglomeration are two important urban agglomerations in the Yangtze River Economic Belt.They are typical representives of developed coastal agglomerations and inland emerging urban agglomerations.Measuring the green efficiency of its economic development and analyzing the influencing factors of green efficiency,and conducting a comparative analysis are not only of significance to these two urban agglomerations,but also has important implications to the green development of coastal developed urban agglomerations and inland emerging urban agglomerations across the country.The thesis takes the Yangtze River Delta urban agglomeration and Chengdu-Chongqing urban agglomeration as the research objects.On the basis of literature review and theoretical analysis,it first conducts a descriptive analysis and comparison of the development status of the two urban agglomerations in terms of economic scale and output per capita.In terms of industrial structure and other aspects,the level of the urban agglomeration of the Yangtze River Delta is significantly higher than that of the Chengdu-Chongqing urban agglomeration,but in terms of economic growth rate,the urban agglomeration of the Chengdu-Chongqing urban agglomeration has been higher than that of the Yangtze River Delta in the past 10 years.The paper first constructs indicators to calculate the economic growth model of the two urban agglomerations and selects the DDF-GML method to measure the TFP and GTFP of the two urban agglomerations from 2004 to 2016,and decomposes to understand the main source of the efficiency improvement and analysis of the two urban agglomerations,the results show that: First,from the perspective of regional development,Yangtze River Delta urban agglomeration is more inclined to "intensive" development,and the Chengdu-Chongqing urban agglomeration is more inclined to "extensive" development.Second,from theperspective of TFP growth,both urban agglomerations show negative growth.From the perspective of decomposition,it is mainly due to the reduction in technical efficiency.The annual average value of the urban agglomeration in the Yangtze River Delta is higher than that of the Chengdu-Chongqing urban agglomeration.This gap stems from the double deterioration of technological efficiency and technological progress.Third,from the perspective of the growth of GTFP,the GTFP has been comprehensively improved compared with that of the TFP.The green technological progress of the two urban agglomerations has been improved compared with the traditional technological progress,and the green technical efficiency of the Chengdu-Chongqing urban agglomeration has also been improved compared with the traditional technical efficiency.In addition,the growth of GTFP in the Yangtze River Delta urban agglomeration is slightly higher than that of Chengdu-Chongqing urban agglomeration,but the gap between the two is somewhat lower than that of TFP.Green technology progress and green technology efficiency improvement of Chengdu-Chongqing urban agglomeration are more higher than that of Yangtze River Delta urban agglomeration.Taking the GTFP of the two urban agglomerations as the explanatory variables,the paper constructs a multiple linear regression model and selects the level of regional economic development,opening to the outside world,industrial structure,ownership structure,endowment structure,government marketization level,and financial technology investment.To explain the variables and explore the main factors that affect the GTFP,the empirical results show that in the Yangtze River Delta urban agglomeration and Chengdu-Chongqing urban agglomeration models,the regional development level has a positive "U" relationship,but has not yet reached the inflection point,is now Negative impact.The industrial structure Chengdu-Chongqing urban agglomeration has a positive impact,but the impact on the Yangtze River Delta is not significant.The endowment structure has a positive impact on the GTFP of Yangtze River Delta urban agglomeration,but has no significant impact on that of Chengdu-Chongqing urban agglomeration.Foreign investment can promote the growth of GTFP of Chengdu-Chongqing urban agglomeration.There is a positive "U" relationship between the impact of fiscal science and technology investment intensity on the two urban agglomerations,and the current level of financial science and technology investment has not yet reached the turning point,which is not conducive to the development of GTFP.Based on the results of empirical analysis,the paper proposes counter measures to promote urban agglomerations in the Yangtze River Delta and Chengdu-Chongqing agglomerations: First,maintain sustainable economic development and pay attention to the transformation of industrial structure;Second,pay attention to quality when making full use of foreign capital;Third,increase the intensity of financial science and technology investment in urban agglomerations;Fourth,promote the development of low-level green factor productivity cities to reduce internal differences in urban agglomerations;Fifth,increase the radiating role of cities with high-level green factor productivity;... |
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