印度城市群与中国城市群齐普夫定律的演变
Evolution of Zipf's Law for Indian Urban Agglomerations vis-à-vis Chinese Urban Agglomerations
摘要:
我们调查了1981年至2011年期间印度城市群的等级规模分布。幂律尾部的发生率是显著的。一个相关的问题仍然存在关于权力尾部系数的演变。我们开发了一种方法,当一个国家经历人口增长时,可以有意义地跟踪幂律系数随时间的变化。一个相关的动态法律,Gibrat的法律,在这方面进行了经验检验。我们认为,印度的这些实证研究结果与中国的研究结果相反,中国是另一个人口增长但政治制度单一的国家。
英文摘要:
We investigate into the rank-size distributions of urban agglomerations for India between 1981 to 2011. The incidence of a power law tail is prominent. A relevant question persists regarding the evolution of the power tail coefficient. We have developed a methodology to meaningfully track the power law coefficient over time, when a country experience population growth. A relevant dynamic law, Gibrat's law, is empirically tested in this connection. We argue that these empirical findings for India goes in contrast with the findings in case of China, another country with population growth but monolithic political system.
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