The South American customs union known as Mercosur has contributed significantly to regional trade liberalization. But by encouraging trade within the group at the expense of trade with nonmembers, Mercosur may limit member countries' access to high-technology imports, an important stimulus to...

This paper explores the relationship between preferential and multilateral trade liberalization at the sectoral level using a unique dataset that includes data on most favored nation (MFN) and bilateral preferential tariffs at the 4-digit ISIC level for 11 Latin American countries over the...