The paper tests the hypothesis that a country's net performance in its bilateral trade in differentiated products is determined by 1) "revealed" comparative advantage defined for the industry, in accordance with its conceptual basis, and 2) specific factors related to the country, whose benefit...

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...