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区域间经济影响的反馈效应是多区域经济研究的重要议题之一,对闭合反馈回路的研究则涉及到区域间相互关联的层级问题。本研究以中国首张8个区域的区域间投入产出表为基础,从区域间的反馈回路与层级分析角度对中国经济的空间结构进行初步探讨。研究发现,中国目前仍以区域内产业间的关联为基本特征,区域间联系仍较弱。从区域间相互影响的反馈效应看,存在着三个属于较高层级的大的闭合性反馈回路,它们占中国中间贸易流量的64.3%;而四个较低层级的反馈回路只占中间贸易流量的35.7%,而且它们都存在着两个更小的闭合性反馈回路。
The feedback effect of the inter-regional economic impact is one of the most important topics in multi-regional economic research. The study of the closed feedback loop involves the inter-regional interrelated hierarchical issues. Based on the inter-regional input-output tables of the first eight regions in China, this study explores the spatial structure of China’s economy from the perspective of regional feedback loops and hierarchical analysis. The study found that China is still the basic characteristics of the inter-industry linkages in the region, and the inter-regional ties are still weak. From the inter-regional feedback effect, there are three large closed feedback loops belonging to a higher level, accounting for 64.3% of China’s intermediate trade flows, while the four lower-level feedback loops only represent the intermediate trade flows Of 35.7%, and they all have two smaller closed feedback loops.