This is a preview. Log in through your library . Abstract We consider the semi-parametric regression model Y = X t β + Φ(Z) where β and Φ(·) are unknown slope coefficient vector and function, and ...

This is a preview. Log in through your library . Abstract Influence diagnostic methods are extended in this paper to elliptical linear models. These include several symmetric multivariate ...

ECONOMISTS develop economic models to explain consistently recurring relationships. Their models link one or more economic variables to other economic variables (see “What Are Economic Models,” F&D, ...