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Desigualdad y leyes de potencia

Listed author(s):
  • Jorge Gallego


  • Yalila Aljure Jiménez

Por lo menos desde los tiempos de Pareto (1897) se reconoce que una pequeña fracción de la población controla una gran proporción del ingreso total de una sociedad. Para algunos, la distribución del ingreso es quizás el primer ejemplo de una ley de potencia, regla empírica bajo la cual una variable aleatoria alcanza valores altos con una probabilidad baja, y valores bajos con una alta probabilidad. En este artículo verificamos si la distribución del ingreso de los colombianos más ricos se ajusta a una ley de potencia. Además, basados en el proceso de Yule (1925), y en general, en la teoría de los procesos estocásticos, presentamos un modelo teórico cuyo objetivo es explicar por qué el ingreso se distribuye de acuerdo a una ley de potencia. La esencia del modelo es que la riqueza presenta un efecto acumulativo tal que a mayor nivel de ingreso, mayor probabilidad de incrementarlo..

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Paper provided by UNIVERSIDAD JAVERIANA - BOGOTÁ in its series DOCUMENTOS DE ECONOMÍA with number 005011.

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Length: 33
Date of creation: 14 Jul 2008
Handle: RePEc:col:000108:005011
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