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| MEASUREMENT OF CO-AGGLOMERATION OF INDUSTRY CHAIN IN BEIJINGTIANJIN-HEBEI METROPOLITAN REGION'S MANUFACTURING INDUSTRIES |
| MA Guo-xia1, ZHU Xiao-juan2, TIAN Yu-Jun3 |
1. Chinese Academy for Environmental Planning of the State Environmental Protection Administration, 100012, China;
2. Zhengzhou Institute of Aeronautical Industry Management, 450015, China;
3. Waterborne Transportation Institute of Ministry of Transport of the People's Republic of China, 100088 |
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Abstract Industry agglomeration is not only within individual industries, but also the upstream and downstream industries with input-output relationship are more likely to agglomerate in space in order to save transportation cost and share external economy. As a result, more popular cases of industrial agglomeration are the geographical contiguity of industry group with two or more sectors. In this paper, Using a panel dataset of two-digit manufacturing industries by province during the period of 1995-2004, applying the co-agglomeration index proposed by Ellison and Glaeser, the authors explore the co-agglomeration of more than 60 industry chains in Beijing-Tianjin-Hebei Metropolitan region's manufacturing industries. Further more, through time trend analysis and regional comparison, the co-agglomeration of industry chain and regional competitiveness are explored in Beijing-Tianjin-Hebei metropolitan region. The results are drawn as follows. (1) The average value of co-agglomeration of industry chain is 0.0151, which shows less agglomeration in Beijing-Tianjin-Hebei Metropolitan Region. (2) The co-agglomeration of industry chain of manufacturing industries experiences the rising trend. Moreover, the industry chain of resource-intensive and capital-and-technology intensive industries show more obvious rising trend than labor-intensive industry during the period of 1995-2004. (3) The co-agglomeration of industry chain in Beijing-Tianjin-Hebei Metropolitan Region is lower than in Yangzi River Delta, which indicates that there have development phase gap between two regions. Some capital-and-technology intensive industries experience spatially dispersing process, but the resource-intensive industries concentrate, thus the relationship between co-agglomeration of industry chain and industrial attribute is not explicit in Beijing-Tianjin-Hebei Metropolitan Region.
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Received: 02 July 2010
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2011, Vol. 26 
