This paper deals with applying GIS and spatial statistics to hedonic modeling. More precisely, it looks at spatial autocorrelation and trend surface analysis (TSA) as devices that can be used to improve model performances. Empirical analysis is performed on the Charlesbourg 1986-87 bungalow...

The recent studies suggest that mathematical programming could be alternative to the conventional statistical analysis methods as the least squares method and the least absolute method. In fact, the mathematical programming models provide more flexibility for modelling the estimation context....

Dans ce papier, nous proposons une methode interactive d'aide a la decision de groupe en contexte multiobjectif qui utilise l'agregation a priori et a posteriori des preferences.

Sont presentees ici quelques reflexions portant sur la dynamique de la mondialisation, de la competition, du reseautage et du processus decisionnel collectif.