References
- Bowman , AD and Azzalini , A . 1997 . Applied Smoothing Techniques for Data Analysis: The Kernel Approach with S-Plus Illustration , Oxford : Oxford University Press .
- Chambers , RG . 1997 . Applied Production Analysis: The Dual Approach , Cambridge : Cambridge University Press .
- Chen , R , Hardle , W , Linton , O. B and Sevarance-Lossin , E . 1996 . Nonparametric Estimation of Additive Separable Regression Models. Statistical Theory and Computational Aspects of Smoothing , New York : Physica Verlag .
- Gozalo , PL and Linton , OB . 2001 . Testing additivity in generalized nonparametric regression models with estimated parameters . Journal of Econometrics , 104 : 1 – 48 .
- Haghiri , M , Law , SM and Nolan , J. F . 2004 . Input separability in the Canadian cable-television industry: an application of generalised additive models , University of New Brunswick . Working Paper No. 2004–3
- Hastie , TJ and Tibshirani , RJ . 1990 . Generalized Additive Models , London : Chapman and Hall .
- Kneip , A and Simar , L . 1996 . A general framework for frontier estimation with panel data . Journal of Productivity Analysis , 7 : 187 – 212 .
- Leontief , WW . 1947 . Introduction to a theory of the internal structure of functional relationships . Econometrica , 15 : 361 – 73 .
- Reed , MR . 2001 . International Trade in Agricultural Products , New York : Prentice-Hall .
- Richmond , J . 2000 . Separability and specification tests , University of Essex . Discussion Paper No. 527
- Schimek , MG and Turlach , BA . 2000 . “ Additive and generalized additive models ” . In Smoothing and Regression: Approaches, Computation, and Application , Edited by: Schimek , MG . 277 – 327 . New York : John Wiley and Sons . (Ed.)