New Evidence on Gibratâ€™s Law for Cities
Luis Lanaspa () and
Authors registered in the RePEc Author Service: Rafael González-Val ()
Urban Studies, 2014, vol. 51, issue 1, 93-115
The aim of this work is to test empirically the validity of Gibratâ€™s law on the growth of cities, using data on the complete distribution of cities (without size restrictions) from three countries (the US, Spain and Italy) for the entire 20th century. In order to achieve this, different techniques are used. First, panel data unit root tests tend to confirm the validity of Gibratâ€™s law in the upper-tail distribution. Secondly, when the entire distribution is considered using non-parametric methods, it is found that Gibratâ€™s law does not hold exactly in the long term (in general, size affects the variance of the growth process but not its mean). Moreover, the log-normal distribution works well as a description of city size distributions across the whole century when no truncation point is considered.
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Persistent link: https://EconPapers.repec.org/RePEc:sae:urbstu:v:51:y:2014:i:1:p:93-115
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