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川陕渝作为我国“西三角”经济圈的重要组成部分,工业分工合作与空间联系对优化产业结构、推动省域发展具有重要意义。运用相对发展率、产业梯度系数、产业结构相似系数及经济联系引力模型测度了川陕渝三省市的经济发展实况。结果表明,陕西、重庆经济发展速度较快,三省市产业发展各有特色,分工合作不断深化,呈“川—陕—渝”的产业梯度分布态势;区域产业同构化程度较高;川渝经济联系强度最大,川陕经济联系强度高于陕渝。因此,应进一步深化工业分工合作、增强省域空间联系,以期实现“西三角”经济圈的协同发展。
Sichuan, Shaanxi and Chongqing, as an important part of China’s “West Triangle” economic circle, the industrial division of labor cooperation and spatial relations are of great significance to optimizing the industrial structure and promoting the development of the provincial area. The relative economic growth rate, industrial gradient coefficient, similarity coefficient of industrial structure and economic connection gravity model were used to measure the economic development of Sichuan, Shaanxi, Chongqing provinces. The results show that the economic development in Shaanxi and Chongqing is rapid and the industrial development in the three provinces and municipalities has its own characteristics. The division of labor and cooperation continue to deepen, showing an industrial gradient distribution pattern of “Sichuan-Shaanxi-Chongqing”. The degree of regional industrial isomorphism is high ; Sichuan and Chongqing have the most economic ties, and the economic ties between Sichuan and Shaanxi are higher than those in Shaanxi and Chongqing. Therefore, we should further deepen the cooperation in industrial division of labor and enhance the spatial linkage in the province and region so as to achieve the coordinated development of the “Western Delta” economic circle.