基于引力模型的江苏区域经济联系强度与方向

doi:10.11820/dlkxjz.2009.05.007

Abstract

Abstract:

Research on regional economic linkage is one of the most important aspects in economic geography and regional research. This paper, taking Jiangsu as an example, calculates the strength of regional linkage based on the gravity model in combination with network analysis of GIS which is used to acquire the matrix of the shortest travel time between every two cities in Jiangsu Province. The strength of regional economic linkage and disparity charcateristics are analyzed within the southern, central and northern zones and between every two zones in Jiangsu. And the primary directions of regional economic linkage are identified by the strength of regional economic linkage. The results show that: (1) the disparity of the quantity of every zone’s economic linkage is large and the hierarchical feature is very remarkable; and(2) the regional differentiation characteristics of the strength of regional economic linkage are significant, the strength of regional economic linkage within the southern and central zones and between them in Jiangsu Province is stronger; the directions of the regional economic linkage extend along the main roads and the strength weakens with the increase of distance. Through the measurement and comparision of regional economic linkage, the main directions of economic linkage are identified clearly, which is not only in favor of finding the direction for regional economic development, but also in favor of coordinating the contact and cooperation within zones or inter-zones.

Key words: gravity model, Jiangsu Province, regional economic linkage

MENG Deyou1|LU Yuqi2. Strength and Direction of Regional Economic Linkage in Jiangsu Province Based on Gravity Model[J].PROGRESS IN GEOGRAPHY, 2009, 28(5): 697-704.

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Strength and Direction of Regional Economic Linkage in Jiangsu Province Based on Gravity Model

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