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Incorporating exchange rate risk into PDs and asset correlations

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  • Dirk Tasche

Abstract

Intuitively, the default risk of a single borrower is higher when her or his assets and debt are denominated in different currencies. Additionally, the default dependence of borrowers with assets and debt in different currencies should be stronger than in the one-currency case. By combining well-known models by Merton (1974), Garman and Kohlhagen (1983), and Vasicek (2002) we develop simple representations of PDs and asset correlations that take into account exchange rate risk. From these results, consistency conditions can be derived that link the changes in PD and asset correlation and do not require knowledge of hard-to-estimate parameters like asset value volatility.

Suggested Citation

  • Dirk Tasche, 2007. "Incorporating exchange rate risk into PDs and asset correlations," Papers 0712.3363, arXiv.org.
    • Handle: RePEc:arx:papers:0712.3363
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    Cited by:

    1. Byström, Hans, 2017. "The currency composition of firms' balance sheets, asset value correlations, and capital requirements," Global Finance Journal, Elsevier, vol. 34(C), pages 89-99.
    2. Byström, Hans, 2014. "The impact of currency movements on asset value correlations," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 31(C), pages 178-186.
    3. Byström, Hans, 2016. "The Currency Composition of Firms' Balance Sheets and its Effect on Asset Value Correlations and Capital Requirements," Working Papers 2016:1, Lund University, Department of Economics.

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