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Desigualdad y leyes de potencia


  • Yalila Aljure Jiménez


  • Jorge Andrés Gallego



Para algunos, la distribución del ingreso es el primer ejemplo de una ley de potencia, reglaempírica según la cual una variable aleatoria alcanza valores altos con una probabilidadbaja y valores bajos con una alta probabilidad. En este artículo se verifica si la distribucióndel ingreso de los colombianos más ricos se ajusta a una ley de potencia. Igualmente,considerando el proceso de Yule (1925), y en general, la teoría de los procesosestocásticos, se formula un modelo teórico cuyo objetivo es explicar por qué el ingreso sedistribuye de acuerdo con una ley de potencia. La esencia del modelo es que la riquezapresenta un efecto acumulativo, por tanto, a mayor nivel de ingreso, mayor probabilidadde incrementarlo.

Suggested Citation

  • Yalila Aljure Jiménez & Jorge Andrés Gallego, 2010. "Desigualdad y leyes de potencia," REVISTA CUADERNOS DE ECONOMÍA, UN - RCE - CID, December.
  • Handle: RePEc:col:000093:007832

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    References listed on IDEAS

    1. Christian Johnson, 2001. "Un Modelo de Switching para el Crecimiento en Chile," Latin American Journal of Economics-formerly Cuadernos de Economía, Instituto de Economía. Pontificia Universidad Católica de Chile., vol. 38(115), pages 291-319.
    2. Peter K. Clark, 1987. "The Cyclical Component of U. S. Economic Activity," The Quarterly Journal of Economics, Oxford University Press, vol. 102(4), pages 797-814.
    3. Clark, Peter K., 1989. "Trend reversion in real output and unemployment," Journal of Econometrics, Elsevier, vol. 40(1), pages 15-32, January.
    4. Perron, Pierre, 1990. "Testing for a Unit Root in a Time Series with a Changing Mean," Journal of Business & Economic Statistics, American Statistical Association, vol. 8(2), pages 153-162, April.
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    More about this item


    desigualdad; leyes de potencia; ley de Pareto; procesos estocásticos; proceso de Yule.;

    JEL classification:

    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • O15 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration


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