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Modelo KMW - Merton para la medición del riesgo crediticio de las reservas internacionales del Banco Central de Bolivia

Author

Listed:
  • Oscar A. Martínez Cusicanqui

    (Banco Central de Bolivia)

  • Raúl A. Ballón Fernández

    (Banco Central de Bolivia)

Abstract

La inversión de las reservas internacionales del BCB, que a la fecha superan los USD 8.500 millones, se encuentra expuesta al riesgo crediticio que ante el escenario de crisis financiera internacional y alta volatilidad en los mercados resaltó la importancia de su medición. La crisis del mercado Sub Prime en Estados Unidos que tuvo su punto crítico en septiembre de 2008, con incidencias en el desempeño de instituciones financieras de alta calidad crediticia, haciéndose necesaria una mejora en el monitoreo y medición del riesgo crediticio de las contrapartes bancarias en las que invierte el BCB. El presente documento propone como medida adicional a la calificación de las agencias calificadoras de riesgo crediticio un enfoque cuantitativo basado en la metodología KMV-MERTON, buscando obtener una probabilidad de incumplimiento como indicador de alerta temprana del deterioro de la calidad crediticia de las contrapartes; los resultados del trabajo muestran un incremento de la probabilidad desde la quiebra de Lehman Brothers. Since the Sub-Prime market crisis in the United States, that peaked up in September 2008 the financial consequences over high credit quality institutions become a major issue, making necessary to improve the monitoring and the measurement of the credit risk of BCB counterparties. This document proposes and additional quantitative measure of credit risk besides the traditional credit agency analysis; the methodology is based on KMV-Merton Model seeking the achievement of a default probability as an early alert indicator of the lack of credit quality in a banking sector counterparty, our findings show that probability of BCB's counterparties has increased since Lehman Brothers Bankruptcy.

Suggested Citation

  • Oscar A. Martínez Cusicanqui & Raúl A. Ballón Fernández, 2010. "Modelo KMW - Merton para la medición del riesgo crediticio de las reservas internacionales del Banco Central de Bolivia," Revista de Análisis del BCB, Banco Central de Bolivia, vol. 12(1), pages 185-222, June.
  • Handle: RePEc:blv:journl:v:12:y:2010:i:1:p:185-222
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    More about this item

    Keywords

    reservas internacionales; Banco Central de Bolivia; riesgo crediticio; Modelo KMV-Merton; probabilidad de incumplimiento; default;
    All these keywords.

    JEL classification:

    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • C19 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Other

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