La pollution est incorporee comme une externalite de production dans le modele de concurrence monopolistique des produits differencies. Nous adoptons la version de Krugman d'un modele propose par Dixit et Stiglitz pour etudier l'effet d'un effort de depollution et celui de la taille du marche...

The Clean Air Act Amendments (CAAA) of 1990 will have a major impact on U.S. coal markets. We argue that coal suppliers will be able to use the market in sulfur dioxide emissions allowances created by the CAAA to increase the range of their competitive strategies in their core business, coal.

The main result of this paper is that when two asymmetric regions compete in pollution taxes to attract a polluting firm, optimal location will happen under complete information but not necessarily under incomplete information. It is shown that incomplete information on regions' pollution costs...

Recently, the issue of worldwide environmental quality has been discussed in the context of trade liberalization on a global scale. Two diametrically opposite tenets have been recorded. According to one tenet - the cons-increasing opportunities for profitable exchange created by trade...