This paper investigates the welfare implications of an existence of a free trade agreement (FTA) and a customs union (CU) within the GATT. Two types of GATT regimes are considered in a completely symmetric world: a pure GATT regime without any type of the regional trade agreements (RTAs), and a...

We examine the welfare implications of the two major types of regional trade agreements (RTAs)—free trade agreements (FTAs) and customs unions (CUs)—within the WTO system in the presence of FDI. To do so, we analyze multilateral tariff cooperation in the context of two types of WTO...