In models of economic geography, plant-level scale economies and trade costs create incentives for spatial agglomeration of production into a manufacturing core and agricultural periphery, creating regional income differentials. We examine tax competition between national governments to...

We examine the consequences of increased economic integration between nations within a region. We adopt Krugman’s economic-geography model in which demand linkages can generate agglomeration of manufacturing activity. Manufacturing labour is assumed to be imperfectly mobile between countries....

Protection unconstrained by rules often varies substantially over time. Rules-based disciplines, such as WTO tariff bindings and bindings on market access in services, constrain this variability. We examine the theoretical effects of such constraints on the expected cost of protection and offer...

Most of the large tariff reductions achieved in multilateral trade negotiations have involved the use of tariff-cutting formulas, such as the “Swiss” formula. But the wide variations in initial tariff rates between active participants may create a demand for new approaches in the Doha...