This paper applies the maximum likelihood technique to estimate the parameters of a money demand equation for Switzerland in which there are variable integrated of different orders and in particular of order greater than 1. The estimation method developed by the authors has been explained in...

We review some basic approaches to robust inference and discuss the role and the place of some key concepts (influence function, breakdown point, robustness versus efficienty, etc.). We then discuss in some detail results on robust testing in linear models, nonlinear regression, and general...

Procedures based on the Generalized Method of Moments (GMM) (Hansen, 1982) are basic tools in modern econometrics. In most cases, the theory available for making inference with these procedures is based on first order asymptotic theory. It is well-known that the (first order) asymptotic...

This paper applies Granger causality tests to Swiss Cantonal Revenue and Expenditure in levels. It is the first study for Switzerland at the individual regional level and on the basis of vector error correction models distinguishing between long-term and short-term causality. The long-term...

We adapt Breiman's (1995) nonnegative garrote method to perform variable selection in nonparametric additive models. The technique avoids methods of testing for which no reliable distributional theory is available. In addition it removes the need for a full search of all possible models,...