We provide empirical evidence of the dynamics of city size distribution for the whole of the twentieth century in U.S. cities and metropolitan areas. We focus our analysis on the new cities that were created during the period of analysis. The main contribution of this paper, therefore, is the...

This paper analyses the statistical distribution of war size. We find strong support for a Pareto-type distribution (power law) using data from different sources (COW and UCDP) and periods. A power law describesaccurately the size distribution of all wars, but also the distribution of the sample...

This paper analyses the evolution of the size distribution of the stock of immigrants in the period 1960-2000. In particular, we are interested in testing the validity of two empirical regularities: Zips law, which postulates that the product between the rank and size of a population is...