Mercosur: the dilemma between the customs union and a free trade area. In 2001, the government of Argentina - facing a major economic crisis - took a rather controversial decision and reduced the tariff rates of all capital goods to zero. This became a main source of conflict with Brazil, the...

Most researchers focus on the political economy (interest group pressures) approach to analyzing why customs unions are formed, but terms-of-trade effects were also important in formation of the Common Market of the Southern Cone (Mercosur). Terms-of-trade externalities among Mercosur's members...