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机构地区:[1]环境保护部环境规划院,北京100012 [2]郑州航空工业管理学院,郑州450015 [3]交通部水运科学研究院,北京100088
出 处:《人文地理》2011年第3期116-121,共6页Human Geography
基 金:国家自然科学基金(40801051);国家自然科学基金(40801050)
摘 要:本文利用产业间空间集聚度方法,计算京津冀都市圈制造业的空间集聚度,并通过时间趋势分析和区际对比,分析京津冀都市圈制造业的空间集聚水平。研究结论为:①2004年,京津冀都市圈制造业产业链的空间集聚度平均值为0.0151,属于低度空间集聚。②京津冀都市圈制造业产业链的空间集聚度呈逐年上升趋势。其中,资源密集型产业和资金技术密集型产业的空间集聚度上升趋势明显;劳动力密集型产业变化趋势不显著。③京津冀都市圈制造业产业链的空间集聚度低于长江三角洲地区,且产业链空间集聚与产业属性的关系不明确;技术密集型产业链的空间集聚度较低,而资源密集型产业的空间集聚度较高。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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