In 'The Methodology of Positive Economics' (1953), Milton Friedman linked the adoption of a falsificationist methodology to the rejection of monopolistic competition as a valid assumption, thus elaborating a point made earlier by George Stigler in 'Monopolistic Competition in Retrospect' (1949)....

A firm chooses a price and the product information it discloses to a consumer whose tastes are privately known. We provide a necessary and sufficient condition on the match function for full disclosure to be the unique equilibrium outcome whatever the costs and prior beliefs about product and...

We adopt a framework of vertical differentiation (i.e. differentiation by quality) to study the issue of Corporate Social Responsibility (CSR). We develop a model of duopoly in a two‐country setting, in which firms choose the country of location, the level of CSR and finally compete in the...

This article questions the importance of agricultural press for the majoritarian farmers’union, the FNSEA, dealing with the question of its representativeness. At first, the authors highlight a phased trend towards press concentration to the benefit of majority union. During challenging times,...

D’où vient la notion d’information ? Comment a évolué sur le long terme le rapport à l’information des individus impliqués dans une action collective ? En s’appuyant sur une perspective généalogique, cet essai est l’occasion de revenir sur la genèse de l’information et de...