This paper analyzes the welfare implications of buyer mergers, which are mergers between downstream firms from different markets. We focus on the interaction between the merger's effects on downstream efficiency and on buyer power in a setup where one manufacturer with a non-linear cost function...

Analyzing a sequential bargaining framework with one retailer and two suppliers of substitutable goods, we show that slotting fees may emerge as a result of a rent-shifting mechanism when consumer shopping costs are taken into account. If consumers economize on their shopping costs by bundling...

Considering a vertical structure with perfectly competitive upstream firms that deliver a homogenous good to a differentiated retail duopoly, we show that upstream fixed costs may help to monopolize the downstream market. We find that downstream prices increase in upstream firms' fixed costs...

Considering a vertical structure with perfectly competitive upstream firms that deliver a homogenous good to a differentiated retail duopoly, we show that upstream fixed costs may help to monopolize the downstream market. We find that downstream prices increase in upstream firms'fixed costs when...

Considering a vertical structure with perfectly competitive upstream firms that deliver a homogenous good to a differentiated retail duopoly, we show that upstream fixed costs may help to monopolize the downstream market. We find that downstream prices increase in upstream firms' fixed costs...

We analyse the impact of an entry threat at the downstream level on the ability of a pair of vertically integrated incumbents to collude. We present an original model of horizontal product differentiation on the final market and characterize the structures of this market for which an entry...

Avec les conflits successifs qui opposent producteurs et distributeurs, la grande distribution se trouve régulièrement placée au cœur des débats publics et accusée par les producteurs de facturer abusivement ses services. Deux évolutions importantes du secteur sont à retenir pour tenter...

Le secteur de la distribution française est l'un des plus réglementés d'Europe. La dernière réforme dite loi Dutreil II, qui succède à la loi Galland de 1996 a pris effet au 1er janvier 2006. L'un de ses principaux articles impose la réintégration d'une partie des marges arrière (la...

[eng] Vertical relationships between manufacturers and retailers: determinants and consequences of the buying power - For many years now, relationships between retailers and manufacturers have always been tense and some of the strategies denounced as abusive. This raises doubts regarding the...