The negotiations round of the Gatt/WTO system have encouraged their participants to reduce their tariffs on the international trade. To satisfy internal lobbies without breaking those rounds' rules, lots of governments began to exert their protectionism by non-tariff barriers. One of the most...

In this paper, we focus on the regional (intra-national) impacts of barriers to trade, in the form of tariffs, in a national economy. More specifically, we are concerned with the spatial impediments for the internal transmission of the potential benefits of trade liberalization, in the form of...