We examine takeover strategies for a multiproduct firm operating in a horizontally differentiated market. We show why a strategic scheme for taking over competitors should obey a maximal market share connection principle. When trying to reinforce its market power, a multiproduct firm should try...

Two alternative funding modes for a commercial bank are compared, deposits and securitization. Our model includes the two-sided asymmetric information setup of Diamond and Dybvig (1983) and Jacklin and Bhattacharya (1988) and a dynamic aspect with the introduction of a valuable new investment...

Cette etude a pour objet d'analyser les comportements d'offre de soins des medecins liberaux francais. On dispose pour cela d'un panel non-cylindre de 7 925 medecins omnipraticiens ou specialistes, des secteurs 1 ou2, suivis de la periode 1979-1993 et representatif de la population concernee....

We discuss how to detect the informational content of household decisions among the explanatory variables of econometric models. Two applications to the choice of automobile insurance contracts and the demand for life insurance are provided. We show that the information provided by additional...

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.

Philosophers of science and philosophers of economics have recently 'rediscovered' the problem of idealisation. In this paper a taxonomy of different kinds of idealising procedures is applied to Pareto's views on the status of economics among the social sciences. THe paper aims to show that the...

This paper examines the impact of a random number of stock prices changes on the valuation formula for options. The model introduces the structure of the general marked point process (MPP). The kind of models allows to take in account more general distributions of time interarrival: they need no...