城市规模成长经济的边际分析

Marginal Analysis on Economies of urban Population Scale Growth

城市人口规模的成长经济效益,与城市的人口规模本身所处阶段有关,与人口规模成长的速度有关。城市人口规模成长的经济效益由城市的自组织能力的增长速度与人口规模成长速度的相对关系即缺口决定。城市人口规模的成长经济效益,在一定条件下存在着城市与区域的不一致性,即对城市来说出现了成长不经济,但对区域来说却存在成长经济。

Economies of urban Population Scale Growth are relative to not only the phase of urban population scale but also the speed of urban population scale growth, and decided by the gap of growth speed between urban self-organization power and urban Population Scale Growth. Under the certain condition, Economies of urban population scale growth are not unanimous between the city and the region in which the city lives; that is to say, urban population scale growth brings the city uneconomies of growth but the regional economies of growth.