| The coordinated industries development of urban agglomerations is a hot research issue in academia.As one of the most active,innovative and representative regions in the domestic economy,how the Yangtze River Delta to get rid of the predicament of industrial development and how to create strongest and most synergistic regional development model has become a breakthrough in the study of urban agglomeration industry development.Based on the perspective of space economy,between cities and cities,by breaking the barriers of administrative divisions,promoting the coordinated development of industries,and promoting the common progress of the economy is an ideal industrial development mode.Based on the study of industries and cities,promoting regional to the idealized development mode is a necessary process.Therefore,research on the coordinated development of industry + cities is necessary.According to the theory of “Core-Edge”,industrial agglomeration and diffusion,and coordinated development of urban agglomerations,this paper uses the classification of vertical industrial chains to divide the functionalities of industrial development into three aspects: R&D,production and sales.Therefore,the industrial function research of 26 prefecture-level cities in the Yangtze River Delta was carried out,and the panel data of 10 years was collected,and the spatial model was used to study the synergistic effect.The study found that(1)there is positive spatial autocorrelation in urban economic development in the Yangtze River Delta region,and there is a positive spillover effect in economic development.(2)There is a big difference in industrial functionality between cities.The historical accumulation of economic development and the difference in location lead to the division of industrial functions between cities,which provides a possibility for regional professional functional division of labor.(3)There is a synergistic effect of industrial functions in the region,but the synergy effect of the productive industry is negative,while the synergy effect between R&D and sales is positive.(4)The level of informatization has increasingly become a key factor affecting the level of economic development.Based on this research,the Yangtze River Delta should further clarify the industrial function characteristics of different cities in the Yangtze River Delta and give play to the advantages of regional economic synergy development.At the same time,it should pay attention to the rational and healthy development of productive industries,and simultaneously build a resource sharing mechanism to reduce the cost of sharing resources such as information,manpower,funds and land;raising the level of informatization to promote regional innovation and development. |
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