This paper presents two empirical tools to quantify the impacts of tariff changes on bilateral trade and welfare. Both tools are rooted in the structural gravity literature. The first tool estimates the impact of tariff changes on bilateral trade for 5,020 products in a partial equilibrium...

In several African regions, economic integration has successfully reduced tariff protection by freezing the opportunity to raise applied tariffs against fellow integration partners above those promised. In this paper, we examine whether the regional tariff commitments on the continent have come...

The GATT Rounds show that trade liberalization is essentially a cooperative non-stationary dynamic process. Therefore, the impact of Regionalism on trade liberalization possibly changes over time. I adapt the trade liberalization model of Devereux (1997) to examine how this impact varies. Common...