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Temporal and Spatial Differences in Economic Strength of The Yangtze River Economic Belt: Comparison of the Along City

Bai Yongliang;Guo Shan;  
Using the spatial econometric approaches to measure and analyze the economic strength 's space-time difference of the Yangtze River Economic Belt(YREB) showed the overall difference of YREB in the city level in economic strength is shrinking, but the absolute discrepancy of each year respectively is gradually increasing; YREB also has a significant characteristic of spatial concentration and a polarization trend. YREB 's center of economic gravity is shifting east. Wuhan and Chongqing located in the Midwestern YREB have obvious advantages in economic strength, but whole YREB showed significant unbalanced development in city level. From the space-time concentrate tendency and mechanism of view, space fragmentation will also exist over time. Meanwhile YREB is becoming polycentric huge region in China, and transforms from the core-edge mode to polycentric development pattern, and then is forming a banded network spatial structure.
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