Staying on Top of the Curve: A Cascade Model of Term Structure Dynamics
Laurent E. Calvet
HEC Paris - Finance Department
Adlai J. Fisher
University of British Columbia - Sauder School of Business
City University of New York, CUNY Baruch College - Zicklin School of Business
April 16, 2013
We model term structure dynamics using a recursive cascade of heterogeneously persistent factors. The cascade naturally orders the factors by their adjustment speeds, and generates smooth zero-coupon bond prices and forward curves in closed form. For a class of specifications, the number of parameters is invariant to the size of the state space, and the term structure converges to a stochastic limit as the number of factors goes to infinity. The cascade construction thereby defeats the curse of dimensionality associated with general affine models. Using a panel of interest rates, we estimate specifications with from one to 15 factors and only five parameters. High-dimensional versions of the model fit empirical yield curves almost perfectly in sample, with root mean squared errors of less than one basis point, while maintaining reasonable maximal Sharpe ratios. Out-of-sample interest rate forecasts significantly outperform prior benchmarks.
Number of Pages in PDF File: 55
Keywords: Term structure of interest rates, cascade model, dimension-invariance, interest rate forecasting, yield curve stripping, forward rate correlations
JEL Classification: E43, E47, G10, G12, C51working papers series
Date posted: March 17, 2010 ; Last revised: April 16, 2013
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