This paper shows how distance may be used to coordinate on a unique equilibrium in which trade agreements are regional. Trade agreement formation is modeled as coalition formation. In a standard trade model with no distance between countries, a familiar problem of coordination failure arises...

We examine the Nash equilibria of a game where two national governments set patent breadth strategically. Broader patents make R&D more attractive, but the effect on static efficiency is nonmonotonic. In a North.South model, where only the North can innovate, harmonization of patent breadth...

This paper develops a model of a trade agreement that puts at centre stage the competing interests between ?rms within a sector: Larger ?rms tend to be pro-trade liberalization whereas smaller ?rms favor protection. This set-up contrasts with the prior literature in economics that has tended to...

This paper shows how distance may be used to coordinate on a unique equilibrium in which trade agreements are regional. Trade agreement formation is modeled as coalition formation. In a standard trade model with no distance between countries, a familiar problem of coordination failure arises...

This paper shows how distance may be used to coordinate on a unique equilibrium in which trade agreements are regional. Trade agreement formation is modeled as coalition formation. In a standard trade model with no distance between countries a familiar problem of coordination failure occurs,...

This paper shows that the WTO's Article XXIV increases the likelihood of free trade, but may worsen world welfare when free trade is not reached and customs unions (CUs) form. We consider a model of many countries. Article XXIV prevents a CU from raising its common external tariff, which makes...

Why is further multilateral trade liberalisation proving so difficult to achieve? This paper shows that Article XXIV itself, the set of WTO rules governing trade block formation, undermines the multilateral liberalisation process. Trade block formation under Article XXIV can be thought of as a...

This paper shows how distance may be used to coordinate on a unique equilibrium in which trade agreements are regional. Trade agreement formation is modeled as coalition formation. In a standard trade model with no distance between countries, a familiar problem of coordination failure arises...

This paper argues that free trade agreements (FTAs) are regional because, in their absence, optimal tariffs are higher against (close) regional partners than (distant) countries outside the region. Optimal tariffs shift rents from foreign firms to domestic citizens. Lower transport costs imply...

This paper identifies a new terms-of-trade externality that is exercised through tariff setting. A North-South model of international trade is introduced in which the number of countries in each region can be varied. As the number of countries in one region is increased, each government there...