| In recent years,global value chain production has become the leading form and important driving force of world economic growth.Developed countries have realized the upgrading of global value chain by transferring low valueadded industries to other countries,while China has undertaken a large number of labor-intensive industries from developed countries mainly by virtue of its cheap labor force advantage,thus occupying a low-end position in the global value chain.The total production volume of China’s manufacturing industry ranks first in the world,but the fact that the manufacturing industry is large but not strong has not changed.In February 2022,the Biden administration proposed the strategy of "supply chain resilience",which brought certain security risks to the industrial chain and supply chain of China’s manufacturing enterprises,which was not conducive to China’s further climbing to the high end of the global value chain.In the context of the coexistence of domestic troubles and foreign aggression,China proposes to "accelerate the construction of a new development pattern with the major domestic cycle as the main body and the double domestic and international cycles promoting each other".China has the most complete industrial chain and production chain in the world.Based on the systematic review of the literature on industrial collaborative agglomeration and global value chain status,this paper analyzes the influence mechanism and path of industrial collaborative agglomeration level on the global value chain status of manufacturing industry from the perspectives of industrial linkage theory,industrial synergy theory,externality theory and new economic geography theory.It is found that the co-agglomeration of producer service industry and manufacturing industry mainly affects the GVC status of manufacturing industry from the following aspects: First,as the upstream and downstream industries of the manufacturing industry,producer service industry and the manufacturing industry have a great correlation in knowledge and technology.Secondly,the internal agglomeration of producer services is conducive to the manufacturing industry to obtain the most favorable technology and production cost for its own production.Thirdly,the agglomeration of industries in geographical space will bring economies of scale and save production costs,which is conducive to the upgrading of the GVC status of the manufacturing industry.Fourthly,due to the limited resources,industrial co-agglomeration presents a phased feature.In the early stage of agglomeration,the region that takes the lead in forming agglomeration will form a siphon effect on the surrounding area,which is not conducive to the industrial agglomeration of the surrounding area and the development of manufacturing enterprises.In the middle period of agglomeration,economies of scale and knowledge and technology spillover effect bring positive economic effects and have a positive impact on the upgrading of global value chains.In the later agglomeration stage,excessive agglomeration will cause crowding effect,which will greatly reduce the benign economic effect brought by industrial collaborative agglomeration.Then,based on the statistical yearbook data and the import and export data,this chapter uses the location entropy and the technological complexity of export to calculate the industrial co-agglomeration level and the position of the manufacturing industry in the global value chain of 31 provinces and cities,and makes an analysis.On the basis of data calculation,this paper adopts spatial Durbin model to make an empirical analysis on the influence of provincial producer service and manufacturing co-agglomeration on the global value chain position of manufacturing industry in China,and draws the following conclusions.First,there is a "positive U-shaped" relationship between the level of industrial collaborative agglomeration and the GVC status of the manufacturing industry,and there is a significant spatial spillover effect of industrial collaborative agglomeration.Second,the impact of industrial coagglomeration level on the GVC status of manufacturing industry is heterogeneous,and the co-agglomeration of low-end producer service industry and manufacturing industry can reach the inflection point of U-shaped curve faster.After crossing the inflection point,the synergistic agglomeration of highend producer services and manufacturing industry has a faster effect on the promotion of GVC status of manufacturing industry.Thirdly,the influence of industrial co-agglomeration on the GVC status of manufacturing industry has regional heterogeneity.There is an inverted U-shaped relationship between the level of co-agglomeration of high-end producer services and manufacturing industry and the GVC status of manufacturing industry in coastal areas,while there is an inverted U-shaped relationship between the co-agglomeration of low-end producer services and manufacturing industry and the upgrading of GVC status of manufacturing industry in inland areas.Fourth,the manufacturing industry in different development stages has heterogeneous demands for industrial collaborative agglomeration.Finally,the paper puts forward the following suggestions: first,adjust the spatial and temporal layout of industrial collaborative agglomeration,focus on promoting the collaborative agglomeration of low-end producer service industry and manufacturing industry in the initial stage,and focus on building high-end producer service industry and manufacturing industry in the middle and late stage;Secondly,the spatial distribution of producer services and manufacturing should be optimized.High-end producer services and manufacturing should be vigorously developed in inland areas,while industries in coastal areas should be moderately transferred to inland areas.Third,adhere to innovation-driven,improve their own capabilities,break the geographical restrictions of resource flow;Fourthly,we should guide producer service industry and manufacturing industry to develop from geographical agglomeration to virtual agglomeration,and form a pattern of geographical and virtual agglomeration promoting each other. |
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