所有“城市”的规模分布:一个统一的方法

ERN: Analytical Models (Topic) Pub Date : 2012-02-13 DOI:10.2139/ssrn.2004229

Kristian Giesen, Jens Suedekum

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引用次数: 45

摘要

在本文中，我们证明了双帕累托对数正态(DPLN)参数化提供了一个很好的拟合整体美国城市规模分布，无论“城市”是行政上定义的人口普查地点还是经济上定义的区域集群。然后，我们考虑了一种将规模无关的城市增长(直布罗陀定律)与内生城市创造相结合的经济模型。在这个模型中，城市规模收敛于dpln分布，这比以前预测对数正态分布或帕累托城市规模分布(Zipf定律)的城市增长框架更符合数据。

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The Size Distribution Across All "Cities": A Unifying Approach

In this paper we show that the double Pareto lognormal (DPLN) parameterization provides an excellent fit to the overall US city size distribution, regardless of whether �cities� are administratively defined Census places or economically defined area clusters. We then consider an economic model that combines scale-independent urban growth (Gibrat�s law) with endogenous city creation. City sizes converge to a DPLN distribution in this model, which is much better in line with the data than previous urban growth frameworks that predict a lognormal or a Pareto city size distribution (Zipf�s law).

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ERN: Analytical Models (Topic)

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