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Quantitative description of realistic wealth distributions by kinetic trading models
Nelson Lammoglia1, Víctor Muñoz, José Rogan
1Universidad de los Andes, Bogotá, Colombia, CeiBA-Complejidad.
Abstract:
Data on wealth distributions in trading markets show a power law behavior x(-)(1+alpha) at the high end, where, in general, alpha is greater than 1 (Pareto's law). Models based on kinetic theory, where a set of interacting agents trade money, yield power law tails if agents are assigned a saving propensity. In this paper we are solving the inverse problem, that is, in finding the saving propensity distribution which yields a given wealth distribution for all wealth ranges. This is done explicitly for two recently published and comprehensive wealth datasets.
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