We analyse the incidence of ad valorem and unit excise taxes in an oligopolistic industry with diffentiated products and price-setting (Bertrand) firms.

The aim of this article is to study the propensity to change modes, departure times and routes under adverse weather conditions. By means of an ordered probit methodology we identify the main factors explaining such a flexibility.

This paper considers the relative efficiency of ad valorem and unit selective sales taxes in imperfectly competitive market. We provide a simple proof of the proposition that ad valorem taxes are welfare-superior to unit taxes in the short run whenproduction costs are identical across firms.

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...

Cet article presente un modele visant a mesurer l'impact de l'accessibilite dans un systeme de transport. Le modele propose integre deux elements majeurs: le prix des biens et le cout de transport. L'impact de ces deux variables a ete explore sous diverses directions: variation d'accessibilite,...

This paper studies allocation on the housing market by means of discrete choice models with availability constraints. This approach arises when uncertainty about the availability of some alternatives is introduced within the conventional framework of discrete choice models. Availability...

This paper presents new models and methodologies for the assessment of innovative urban transport systems and policies options. The dynamic traffic model METROPOLIS (used here in the framework of the EC project AIUTO) estimates the impact of a set of transport demand management measures on the...