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Usos y limitaciones de los procesos estocásticos en el tratamiento de distribuciones de rendimientos con colas gordas

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  • José Carlos Ramirez Sánchez

    () (ITESM y CIDE)

Abstract

This paper deals with the main theoretical problems regarding the application of stochastic processes to leptokurtic financial return distributions. A sort of statistical tests based on the stock index Banamex 30 is performed in order to choose the stochastic model that provides the best fit to the fat- tailed empirical distribution, allowing for a better return forecasting or value at risk estimate. In choosing that model the paper points out that any single set of stastistical criteria is not appropriate if it is not confronted with the risk manager's experience. Understanding the investor's aversion risk or the transaction costs involved in any trading strategy, among other elements, is very important to justify the use of any stochastic process in risk management techniques.

Suggested Citation

  • José Carlos Ramirez Sánchez, 2004. "Usos y limitaciones de los procesos estocásticos en el tratamiento de distribuciones de rendimientos con colas gordas," Revista de Analisis Economico – Economic Analysis Review, Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines, vol. 19(1), pages 51-76, June.
  • Handle: RePEc:ila:anaeco:v:19:y:2004:i:1:p:51-76
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    References listed on IDEAS

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    More about this item

    Keywords

    stochastic process; leptokurtic financial return distribu-tions; return forecasting; value at risk estimate;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection

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