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The Affine Arbitrage-free Class of Nelson-Siegel Term Structure Models
Jens H. E. Christensen
Francis X. Diebold
Glenn D. Rudebusch
出版
National Bureau of Economic Research
, 2007
URL
http://books.google.com.hk/books?id=whPwAAAAMAAJ&hl=&source=gbs_api
註釋
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.