NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Affine Arbitrage-Free Class of: Nelson-Siegel Term Structure Models

Jens H. E. Christensen, Francis X. Diebold, Glenn D. Rudebusch

NBER Working Paper No. 13611
Issued in November 2007
NBER Program(s):   AP   EFG   IFM

We derive the class of arbitrage-free affine dynamic term structure models that approximate the widely-used Nelson-Siegel yield-curve specification. Our theoretical analysis relates this new class of models to the canonical representation of the three-factor arbitrage-free affine model. Our empirical analysis shows that imposing the Nelson-Siegel structure on this canonical representation greatly improves its empirical tractability; furthermore, we find that improvements in predictive performance are achieved from the imposition of absence of arbitrage.

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Document Object Identifier (DOI): 10.3386/w13611

Published: Christensen, Jens H.E. & Diebold, Francis X. & Rudebusch, Glenn D., 2011. "The affine arbitrage-free class of Nelson-Siegel term structure models," Journal of Econometrics, Elsevier, vol. 164(1), pages 4-20, September. citation courtesy of

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