Nonlinear Term Structure Dependence: Copula Functions, Empirics, and Risk Implications

Markus Junker, Alexander Szimayer and Niklas Wagner

Econometrics from University Library of Munich, Germany

Abstract: This paper documents nonlinear cross-sectional dependence in the term structure of U.S. Treasury yields and points out risk management implications. The analysis is based on a Kalman filter estimation of a two-factor affine model which specifies the yield curve dynamics. We then apply a broad class of copula functions for modeling dependence in factors spanning the yield curve. Our sample of monthly yields in the 1982 to 2001 period provides evidence of upper tail dependence in yield innovations; i.e., large positive interest rate shocks tend to occur under increased dependence. In contrast, the best fitting copula model coincides with zero lower tail dependence. This asymmetry has substantial risk management implications. We give an example in estimating bond portfolio loss quantiles and report the biases which result from an application of the normal dependence model.

Keywords: affine term structure models; nonlinear dependence; copula functions; tail dependence; value-at-risk (search for similar items in EconPapers)
JEL-codes: C13 G10 G21 (search for similar items in EconPapers)
Pages: 50 pages
Date: 2004-01-30
New Economics Papers: this item is included in nep-fmk, nep-mac and nep-rmg
Note: Type of Document - pdf; prepared on win00; to print on laserjet; pages: 50
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (25)

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Related works:
Journal Article: Nonlinear term structure dependence: Copula functions, empirics, and risk implications (2006)
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Persistent link: https://EconPapers.repec.org/RePEc:wpa:wuwpem:0401007

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