This article analyzes the effects of international trade policies on an imperfect competitive domestic market, taking into account not only consumers but also upstream and downstream firms. We first study the impact of a classic import tax decrease and we find that upstream firms are harmed and...

This paper addresses the issue of price signaling in a model of vertical relationship between a manufacturer and a retailer who share the same information about quality, unlike consumers who do not observe it a priori. We show that delegating the price setting task to a retailer and controlling...

In this paper, we address two questions: (i) how should a government pursuing both environmental and redistributive objectives design domestic taxes when redistribution is costly, and (ii) how does trade liberalization affect this optimal tax system, and modify the economy's levels of pollution...

Policy design in oligopolistic settings depends critically on the mode of competition between firms. We develop a model of oligopoly intermediation that reveals the mode of competition to be an equilibrium outcome that depends on the relative degree of rivalry between firms in the upstream and...