| Beijing-Tianjin-Hebei economic circle as the China's third largest growth pole after Yangtze River Delta and Pearl River Delta,is the important engine of economic development and international competition.Nowadays,Jing-Jin-Ji region has more and more economic correlation and resource flows,regional industries' association is also growing.Regional industries not only have internal communication but also external association.Thanks to complicated technology association and input-output relation,Jing-Jin-Ji industry strcture has came into being a complex industry structure with a series of “complex network” characteristics.The relativity degree and the significance of industrial sector has already changed,so as to drive the evolution of Jing-Jin-Ji industry structure.Based on the theory of complex network,this article regared each industry as a node,the correlation between each industry(especially input-output correlation)as an edge,and on account of each industry's complex input and output value to build industrial network.From the perspective of horizontal and vertical,this article analysed the industrial network's characteristics and the dynamic evolution of Jing-Jin-Ji subsystem and Jing-Jin-Ji system.What's more,the article put forward suggestions and policies for the coordinated development of Jing-Jin-Ji industrial network.First of all,the article sums up industrial complex network theory,based on the definition,the relationship between data and statistical features,and providing theoretical support for the following analysis.Secondly,based on the SNA perspective,the article studied Jing-Jin-Ji subsystem's and Jing-Jin-Ji network's characteristics from 2002 to 2010.Afterward the article built industrial topology structure to explain the meaning of each index and the characteristics of each system.Thirdly,based on A-D role and broker role of Jing-Jin-Ji system's 63 sectors,the article analysed industrial characteristics and the its dynamic evolution pattern.At the same time in view of the “three industries”,Jing-Jin-Ji system's evolution model are also proposed.Finally,under the guidance of Jing-Jin-Ji industrial complex network's characteristics and its dynamic evolution pattern,the article puts forward policies and suggestions from the perspective of the regional view and the industrial view.The research shows that the industries of Jing-Jin-Ji industrial complex network have different characteristics,and their evolution pattern are also not the same.Beijing and Tianjin is relatively similar,both of them have tend to be more professional and homogeneity in the first industry and the light industry.Nevertheless,the heavy industry's development still needs transformation.Furthermore,the service industry of Beijing and Tianjin is at the core position in the industrial network,which have the effect of connecting each industry resources communication.Hebei province is obviously different from Beijing and Tianjin,the first industry of Hebei province still needs to improve its efficiency and advancement,meanwhile the light industry production is too low,and the goods and the bads are intermingled in the traditional heavy industry of Hebei Province,the leading function of the service industry needs to be further strengthen. |
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