| Through the past 30 years of development and cooperation in reforming and opening up,Guangdong-Hong Kong-Marco Greater Bay Area has become one of the regions with the highest degree of openness and the strongest economic vitality in China,regardless of economic scale,openness,industrial structure,urban development level and regionalization level.It should be said that it has the basic conditions for building a world-class Bay Area and a world-class city group.As China moves toward a higher-level open economy,how to play the leading role of the Bay Area economic opening,and rely on the Bay Area economy to accelerate the construction of urban agglomerations in the Bay Area,is increasingly valued by the state and rise to the national strategic level.In this paper,the economic research of Guangdong-Hong Kong-Marco Greater Bay Area is dominated by the ―9+2‖ urban agglomeration.The urban agglomeration is an interactive,organically connected regional economic space.As the urban spatial connection in the region continues to increase,the city’s scope continues to expand,and the region is integrated into an indivisible economy by interconnected cities.In this economy,economic spatial linkages are an important factor influencing and changing regional population size,industrial layout,factor flows,and land development patterns.Therefore,through the study of the regional economic spatial connection network,analyzing the economic relations in the development process,the spatial agglomeration and diffusion of elements,will be better guide and promote the coordinated,healthy and sustainable development of the regional economy.This paper first summarizes the development status of the urban agglomerations in Guangdong-Hong Kong-Marco Greater Bay Area.Then based on the theory of regional space structure and the improved economic gravity model which is used for empirical analysis.Collect relevant economic data of the urban agglomeration of Guangdong-Hong Kong-Marco Greater Bay Area from 2007 to 2017,establish an economic quality evaluation system to measure the economic quality of the city,and calculate the economic distance between cities,and finally obtain the urban agglomeration economic gravitational value between Guangdong-Hong Kong-Marco Greater Bay Area.On this basis,the social network analysis method is used to analyze the correlation between the urban agglomeration development of Guangdong-Hong Kong-Marco Greater Bay Area and the following conclusions are obtained: 1.The economic quality level of urban agglomerations in Guangdong-Hong Kong-Marco Greater Bay Area is quite different.Formed a grade feature of "one super-two strong-five levels".2.The economic linkages between urban agglomerations in Guangdong-Hong Kong-Marco Greater Bay Area have changed significantly,showing the trend of ―eastward rise and westward fall‖.3.The urban agglomerations of Guangdong-Hong Kong-Marco Greater Bay Area rely on geographical location centers,and the economic links between Hong Kong and Macao and the hinterland of the Pearl River Delta are not close enough.4.The urban agglomeration of Guangdong-Hong Kong-Marco Greater Bay Area has changed from a ―single center‖ to a ―multi-center‖ structure,and has a high dependence on the central city.5.The urban agglomeration of Guangdong-Hong Kong-Marco Greater Bay Area is well-connected and gradually transformed into a decentralization networked structure.Finally,the policy recommendations are given according to the above conclusions. |
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