Les quelques remarques presentees ici veulent attirer l'attention sur certains effets remarquables des styles de decision lorsque la decision est elle-meme un processus collectif, qui prend place dans un paysage reconnaissable a certaines caracteristiques specifiques. Le texte donne quelques...

L'objectif de cette etude est d'analyser les accidents routiers des vehicules commerciaux motorises (entreprises de transport par camions et par autobus). Nous voulons particulierement verifier comment les activites de prevention routiere des proprietaires et des conducteurs affectent les taux...

METROPOLIS proposes an interactive environment which simulates automobile traffic in large urban areas. The core of the system is a dynamic simulator ehich integrates commuters' departure time and route choice behavirs over large networks: Drivers are assumed to minimize a generalized travel...

Nous proposons dans cet article un environnement informatique pour decrire le mouvement des pendulaires. cet outil possede trois ingredients essentiels, un simulateur, un interface graphique et un gestionnaire des entrees et des sorties.

In this paper we analyze the explicit representation of fixed agenda social choice correspondences under different rationality assumptions (independence, neutrality, monotonicity,...).It is well known in the literature that, under some of these assumptions, the existence of dictators,...

In this paper we show how the order of Linear Stochastic Dominance proposed by Gollier (1995) can be applied to situations with dependent risky assets.

In this paper, we present the results of an extended traveler behaviour survey conducted in Geneva (Switzerland) in March 1994. In this survey, commuters were asked about the impact of various factors, related to individual or household characteristics and situational, contextual and...