“…45 The unilateral trade liberalization strategy implicitly assumes that the tariff and nontariff barriers facing the exports of a country are very low or nonexistent (Wonnacott and Wonnacott, 1981). 46 Harrison, Rutherford, and Tarr (2002) show that the strategy of combining free trade agreements with Canada, Mexico, the United States, the EU, Mercosur, and the rest of South America produces welfare gains for Chile that are many multiples of the value of unilateral free trade if it were to attain tariff-free access to all these markets. 47 Campero and Escobar (1992), Zechner (2002), and Schiff (2002).…”