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...

MERCOSUR is one of the most important examples of renewed world-wide interest in regional trade agreements. It may be seen as a consolidation of unilateral reforms undertaken in conjunction with major macroeconomic adjustments. The paper reviews the objectives of MERCOSUR and assesses its...