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Scenario Based Principal Component Value-at-Risk: an Application to Italian Banks' Interest Rate Risk Exposure

Author

Listed:
  • Roberta Fiori

    (Banca d'Italia)

  • Simonetta Iannotti

    (Banca d'Italia)

Abstract

The paper develops a Value-at-Risk methodology to assess Italian banks� interest rate risk exposure. By using 5 years of daily data, the exposure is evaluated through a Principal Component VaR based on Monte Carlo simulation according to two different approaches (parametric and non-parametric). The main contribution of the paper is a methodology for modelling interest rate changes when underlying risk factors are skewed and heavy-tailed. The methodology is then implemented on a one year holding period in order to compare the results from those resulting from the Basel II standardized approach. We find that the risk measure proposed by Basel II gives an adequate description of risk, provided that duration parameters are changed to reflect market conditions. Finally, the methodology is used to perform a stress testing analysis.

Suggested Citation

  • Roberta Fiori & Simonetta Iannotti, 2006. "Scenario Based Principal Component Value-at-Risk: an Application to Italian Banks' Interest Rate Risk Exposure," Temi di discussione (Economic working papers) 602, Bank of Italy, Economic Research and International Relations Area.
    • Handle: RePEc:bdi:wptemi:td_602_06
    as

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    File URL: http://www.bancaditalia.it/pubblicazioni/temi-discussione/2006/2006-0602/tema_602.pdf
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    References listed on IDEAS

    as
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    8. Papke, Leslie E & Wooldridge, Jeffrey M, 1996. "Econometric Methods for Fractional Response Variables with an Application to 401(K) Plan Participation Rates," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 11(6), pages 619-632, Nov.-Dec..
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    Cited by:

    1. Esposito, Lucia & Nobili, Andrea & Ropele, Tiziano, 2015. "The management of interest rate risk during the crisis: Evidence from Italian banks," Journal of Banking & Finance, Elsevier, vol. 59(C), pages 486-504.

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    More about this item

    Keywords

    Interest rate risk; VAR; PCA; Non-normality; Non parametric methods;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C19 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Other
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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