We analyse vertical contracts between manufacturers and a common retailer in a channel including the uptstream input market. The oligopsonistic behavior of manufacturers on the ustream market provides a new explanation for predatory accomodation. With two-parts tariff, we show that joint profit...

Couponing is a marketing instrument widely used by producers to compete and price discriminate. This article analyzes the producer's choice of the promotional vehicle (mass media, targeted coupons,...) for discrimination purposes. In a framework with heterogeneous demand and search costs,...

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...