Preferential trade agreements (PTAs) are signed between two or more countries following the conclusion of the negotiation process. The duration of this process varies considerably across existing trade agreements and ranges between 316 and 5125 days. This paper presents the consequences of the...

What does economics have to say about the design of international trade agreements? We review a literature on this question, providing detailed coverage on three key design features of the GATT/WTO: reciprocity, nondiscrimination as embodied in the MFN principle, and tariff bindings and binding...

We nest an extended two-way fixed effect (ETWFE) estimator for staggered difference-in-differences within the structural gravity model. To test the ETWFE, we estimate the effects of regional trade agreements (RTAs). The results suggest that RTA estimates in the current gravity literature may be...

This paper reviews the most significant recent developments in the theory of trade agreements. The paper offers an integrated approach to evaluating trade agreements, and uses the approach to present results on preferential and multilateral trade agreements. The paper identifies also several...

The National Treatment clause (NT) is the first-line defense in the GATT (and in most other trade agreements) against opportunistic exploitation of the inevitable incompleteness of the agreement. This paper examines the role of NT as it applies to internal taxation under the GATT. It is shown...