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分工、空间外部性与产业地理集聚之间有着深厚的理论渊源和内在逻辑联系。分工导致报酬递增从而是经济增长的根本源泉,但源于分工的报酬递增需要借助产业地理集聚来实现。区域分工—贸易理论对产业地理集聚进行理论解释的一个基本点是空间外部性,并且外部经济增长是分工引致的报酬递增的重要源泉。由此,空间外部性成为解释产业地理集聚的关键性因素,分工产生的空间外部性是产业地理集聚的重要来源。根据以上逻辑,建立了产业地理集聚研究的“分工—空间外部性”理论模型。
Division of labor, spatial externality and industrial agglomeration has a profound theoretical origin and internal logic. The division of labor that leads to increasing returns is therefore the fundamental source of economic growth. However, the incremental returns from division of labor need to be achieved through industrial geography. Regional Division - Trade Theory A theoretical explanation of industrial geopolitics is based on spatial externality, and external economic growth is an important source of increasing returns due to the division of labor. Therefore, the spatial externalities become the key factor to explain the industrial agglomeration. The spatial externalities caused by the division of labor are the important sources of industrial agglomeration. Based on the above logic, a theoretical model of “division of labor - spatial externality” is established.