Is the Drift of the Interest Rate Process Linear? A New Approach and Evidence
Yongmiao Hong,
Yoon-Jin Lee,
Zhaogang Song
Abstract:Continuous-time models are important for investigating interest rate term structure and pricing fixed income derivatives. Economic theory often provides little guidance on the choice of the form of continuous-time models, and existing one-factor and multi-factor continuous-time interest rate models often assume a linear drift, among other things. Some studies, based smoothed nonparametric kernel estimation, suggest that the drift of the interest rate process is nonlinear, particularly at high interest rate lev… Show more
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