We analyze a two-sender quality-signaling game in a duopoly model where goods are horizontally and vertically differentiated. While locations are chosen under quality undertainty, firms choose prices and advertising expenditures being privately informed about their thpes. We show that pure price...

La concentration industrielle n'a cessé d'augmenter ces vingt dernières années. Cette concentration est présente autant chez les producteurs que chez les distributeurs. Par conséquent, analyser le pouvoir de marché est devenu primordial. La mesure du pouvoir de marché nécessite l'analyse...

We study the price response of national brands to the development of private labels. We use monthly data from a consumer survey reporting their purchases for 218 food products. We show that when private labels have a significant effect on national brands prices (144 cases over 218), that is...

We present a methodology allowing to introduce manufacturers and retailers vertical contracting in their pricing strategies on a differentiated product market. We consider in particular two types of non linear pricing relationships, one where resale price maintenance is used with two part...

The analysis of the allocation of market power between producers and retailers can not be dissociated from possible switch between brands within store or between stores within brand. The product line differentiation between retailers may then be the result from this allocation of market power...

This paper takes into account technological and output constraints for firms to analyse Protected Designation of Origin (PDO) regulation. We first esamine an original dataset of french Brie cheese producers and compare the cost structure of PDO producteurs with non-PDO ones. The paper also finds...