A large and growing number of countries participate in multiple preferential trade agreements (PTAs), which increasingly entail broad cooperation over policies extending far beyond trade barriers. I review the traditional and non-traditional motives for PTAs and their empirical determinants as...

We show that multilateral tariff binding liberalization substantially impacts the nature and extent of Preferential Trade Agreement (PTA) formation. First, it shapes the nature of forces constraining expansion of Free Trade Agreements (FTAs). The constraining force is a free riding incentive of...