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A Framework for LGD Validation of Retail Portfolios

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  • Stefan Hlawatsch

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    (Faculty of Economics and Management, Otto-von-Guericke University Magdeburg)

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    Abstract

    Modeling and estimating the loss given default (LGD) is necessary for banks which apply for the Internal-Ratings Based Approach for retail portfolios. To validate LGD estimations there are only very few approaches discussed in the literature. In this paper, two models for validating relative LGDs and absolute losses are developed. The validation of relative LGDs is important for risk-adjusted credit pricing and interest rate calculations. The validation of absolute losses is important to meet the capital requirements of Basel II. Both models are tested with real data of a bank. Estimations are tested for robustness with in-sample and out-of-sample tests.

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    File URL: http://www.ww.uni-magdeburg.de/fwwdeka/femm/a2009_Dateien/2009_25.pdf
    File Function: First version, 2009
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    Bibliographic Info

    Paper provided by Otto-von-Guericke University Magdeburg, Faculty of Economics and Management in its series FEMM Working Papers with number 09025.

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    Length: 29 pages
    Date of creation: Aug 2009
    Date of revision:
    Handle: RePEc:mag:wpaper:09025

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    Related research

    Keywords: Loss Given Default; Validation; Retail Portfolio;

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    1. Jarrow, Robert A & Lando, David & Turnbull, Stuart M, 1997. "A Markov Model for the Term Structure of Credit Risk Spreads," Review of Financial Studies, Society for Financial Studies, Society for Financial Studies, vol. 10(2), pages 481-523.
    2. Greg M. Gupton, 2005. "Advancing Loss Given Default Prediction Models: How the Quiet Have Quickened," Economic Notes, Banca Monte dei Paschi di Siena SpA, Banca Monte dei Paschi di Siena SpA, vol. 34(2), pages 185-230, 07.
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