Functional polycentricity in Yangtze River delta based on social network analysis

doi:10.7523/j.issn.2095-6134.2016.01.012

Abstract

Abstract:

Functional polycentricity is a new regional spatial structure in the world in the 21^st century and it will show a great economic power under the influence of economic globalization and the new labor division. In this paper we judge whether the functional polycentricity exists in Yangtze River delta (YRD) using the method of social network analysis and functional polycentricity index. Then we calculate the polarization effect and diffusion effect to further certify the former conclusion. The results are given below. YRD gradually shows a trend of coordinated development ——the core cities as the power source combined with other small and medium-sized cities. YRD shows a rank-size distribution under the constraints of the urban hierarchy system, which is the base of a functional polycentricity. The functional polycentricity in YRD is the result of regional polarization effect and diffusion effect. The former effect comes from the large-scale gathering of APS (advanced producer services), and the latter comes from the regional spread of basic manufactures.

Key words: functional polycentricity, social network analysis, polarization effect, diffusion effect, economic polarized area of Yangtze River delta

CLC Number:

K902

YE Lei, DUAN Xuejun, OU Xiangjun. Functional polycentricity in Yangtze River delta based on social network analysis[J]. , 2016, 33(1): 75-81.

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