Discussion paper

DP5235 Cities and Countries

If one ranks cities by population, the rank of a city is inversely related to its size, a well-documented phenomenon known as Zipf's Law. Further, the growth rate of a city's population is uncorrelated with its size, another well-known characteristic known as Gibrat's Law. In this paper, I show that both characteristics are true of countries as well as cities; the size distributions of cities and countries are similar. But theories that explain the size-distribution of cities do not obviously apply in explaining the size-distribution of countries. The similarity of city- and country-size distributions is an interesting riddle.

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Citation

Rose, A (2005), “DP5235 Cities and Countries”, CEPR Press Discussion Paper No. 5235. https://cepr.org/publications/dp5235