References
- Buse , A. and Lim , L. 1977 . Cubic splines as a special case of restricted least squares . Journal of the American Statistical Association , 72 : 64 – 8 .
- Holden , K. , Peel , D.A. and Thompson , J.L. 1990 . Economic forecasting: an introduction , Cambridge : Cambridge University Press .
- Johnston , J. 1984 . Econometric Methods , New York : McGraw-Hill .
- Marcus , R.D. 1988 . How to deal with structural changes in the data . The Journal of Business Forecasting , Winter : 14 – 16 .
- Poirier , D.J. 1976 . The Econometrics of Structural Change North-Holland, Amsterdam
- Powell , M.J.D. 1981 . Approximation Theory and Methods , Cambridge : Cambridge University Press .
- Steeley , J.M. 1991 . Estimating the gilt-edged term structure: basis splines and confidence intervals . Journal of Business Finance and Accounting , 18 : 513 – 29 .
- Suits , D.B. , Mason , A. and Chan , K. 1978 . spline functions fitted by standard regression methods . Review of Economics and Statistics , 60 : 132 – 9 .