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Una propuesta para medir dinámica y coherentemente el riesgo operacional

Author

Listed:
  • Martínez-Sánchez, José Francisco.

    (Escuela Superior de Apan, Universidad Autónoma del Estado de Hidalgo)

  • Venegas-Martínez, Francisco.

    (Instituto Politécnico Nacional)

Abstract

El propósito de este trabajo es proponer una estructura teórica dinámica para calcular un conjunto coherente de Valores en Riesgo para varios periodos a través de un proceso estocástico incremental. Para ello se utiliza la topología de un árbol de decisión para caracterizar los posibles estados del proceso y calcular sus probabilidades. Los estados forman un conjunto de aceptación coherente de Valores en Riesgo representando un cono convexo cerrado. A diferencia de los modelos estáticos para un sólo periodo, el modelo dinámico propuesto permite al tomador de decisiones contar con información dinámica sobre la máxima pérdida esperada de un portafolio o estrategia de inversión y, de esta manera, poder determinar el capital mínimo requerido./ The purpose of this paper is to propose a dynamic theoretical framework to calculate a coherent set of Values at Risk for various periods through an incremental stochastic process. It uses the topology of a decision tree to characterized the possible states of the process and compute their probabilities. The states form a coherent set of acceptance of “Values at Risk” representing a closed convex cone. Unlike the static models for a single period, the proposed dynamic model allows the decision maker to have dynamic information on the maximum expected loss from an investment portfolio or strategy, and thus to determine the minimum capital requirement.

Suggested Citation

  • Martínez-Sánchez, José Francisco. & Venegas-Martínez, Francisco., 2012. "Una propuesta para medir dinámica y coherentemente el riesgo operacional," Panorama Económico, Escuela Superior de Economía, Instituto Politécnico Nacional, vol. 0(15), pages 101-116, segundo s.
  • Handle: RePEc:ipn:panora:v:viii:y:2012:i:15:p:101-116
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    Cited by:

    1. Venegas-Martínez, Francisco & Franco-Arbeláez, Luis Ceferino & Franco-Ceballos, Luis Eduardo & Murillo-Gómez, Juan Guillermo, 2015. "Riesgo operativo en el sector salud en Colombia: 2013," eseconomía, Escuela Superior de Economía, Instituto Politécnico Nacional, vol. 0(43), pages 7-36, segundo s.

    More about this item

    Keywords

    medida de riesgo dinámica; medidas coherentes de riesgo; árbol binomial de decisión./ dynamic risk measure; coherent risk measure; binomial tree.;
    All these keywords.

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General

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