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Riesgo de crédito: un enfoque de cópulas y valores extremos

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Listed:
  • Cruz-Aké, Salvador

    (Instituto Politécnico Nacional)

  • Venegas-Martínez, Francisco

    (Instituto Politécnico Nacional)

  • Ortiz-Ramírez, Ambrosio

    (Instituto Politécnico Nacional)

Abstract

El objetivo principal de este trabajo consiste en desarrollar un método alternativo para la medición del riesgo crédito de un portafolio mediante el uso del periodo de retorno basado en cópulas arquimedianas. El periodo de retorno, entendido como el intervalo esperado de tiempo entre dos eventos de la misma magnitud (manteniendo sin cambio el proceso estocástico que los origina), está ampliamente difundido en hidrología y constituye una medida de riesgo que toma en cuenta toda la estructura de dependencia del fenómeno analizado, aun cuando éste presente colas pesadas./ The main objective of this paper is to develop an alternative method for measuring the portfolio’s credit risk by using a return period based on an archimedean copula. The return period, understood as the expected time interval between two events with the same magnitude (maintaining unchanged the stochastic process that origins them), is widely used in Hydrology and constitutes a risk measure that takes into account all the dependence structure of analyzed phenomenon, even if it shows fat tails.

Suggested Citation

  • Cruz-Aké, Salvador & Venegas-Martínez, Francisco & Ortiz-Ramírez, Ambrosio, 2010. "Riesgo de crédito: un enfoque de cópulas y valores extremos," eseconomía, Escuela Superior de Economía, Instituto Politécnico Nacional, vol. 0(27), pages 7-33, tercer tr.
  • Handle: RePEc:ipn:esecon:v:v:y:2010:i:27:p:7-33
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