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Estimación de alfa en fondos con beneficios definidos mediante una matriz t-Student O-GARCH. Una evaluación de las pensiones civiles del Estado de Michoacán /Estimation of Alpha in Defined Benefit Pension Funds with a t-Student O-GARCH Matrix : a test in pensiones civiles del Estado de Michoacán

Author

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  • De la Torre Torres, Oscar Valdemar

    (Facultad de Contaduría y ciencias Adminsitrativas, UMSNH)

Abstract

En este artículo se evalúa la utilidad de un proceso de administración activa de portafolios empleando una matriz de covarianzas GARCH ortogonal (O-GARCH) con función de verosimilitud t-Student, al aplicarlo en la reserva técnica de fondos de pensiones de beneficio definido de la Dirección de Pensiones Civiles del Estado de Michoacán. Esto tanto para lograr el objetivo de 7.5% anual de rendimiento establecido en su estudio actuarial como para definir alpha respecto al benchmark establecido en su política de inversión. Para demostrar esto, se corrieron tres simulaciones de eventos discretos en donde se ejecutó, en una de ellas, un proceso de administración pasiva de portafolios con una disciplina de rebalanceo de tipo posición objetivo y en las otras dos una activa de tipo rebalanceo por rangos. Con los resultados observados se resalta la preferencia de utilizar, en este fondo de pensiones, la administración activa de portafolios con la matriz O-GARCH /a portfolio within in a finite planning horizon, subject to two constraints: a budget constraint that considers Poisson type jumps in the price dynamics of a risky asset, and a probabilistic constraint on final wealth. This research also determines the optimal consumption rule and the optimal proportions of wealth the individual must assign to each of the available assets in the economy /This paper presents an assesment of an active portfolio management process with a t-Student orthogonal GARCH (O-GARCH) covariance matrix, in order to achieve a 7.5% actuarial target return and to formulate alpha in defined benefit pension funds for Dirección de Pensiones Civiles del Estado de Michoacán. To test this, three discrete event simulations were performed using, in the first one, a passive portfolio management process with a target position rebalancing discipline and, in the other two, an active portfolio management with range portfolio rebalancing where an equally weighted covariance and a t-Student O-GARCH covariance matrix are used. The results suggest that the O-GARCH matrix is suitable for active portfolio management in this sort of pension funds

Suggested Citation

  • De la Torre Torres, Oscar Valdemar, 2013. "Estimación de alfa en fondos con beneficios definidos mediante una matriz t-Student O-GARCH. Una evaluación de las pensiones civiles del Estado de Michoacán /Estimation of Alpha in Defined Benefit Pen," Estocástica: finanzas y riesgo, Departamento de Administración de la Universidad Autónoma Metropolitana Unidad Azcapotzalco, vol. 3(1), pages 39-72, enero-jun.
  • Handle: RePEc:sfr:efruam:v:3:y:2013:i:1:p:39-72
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    Keywords

    Selección de portafolios; Valuación de activos; Pronósticos y simulaciones financieras; Pruebas de hipótesis / Portfolio Selection; Asset Pricing; Financial forecasting and Simulation; Hypothesis testing;
    All these keywords.

    JEL classification:

    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation

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