We use a multi-country asymmetric oligopolistic framework for segmented markets to study the welfare effects of reducing tariff discriminations - which we call a move towards Most Favored Nation tariffs. Both unilateral and multilateral reforms are considered. We investigate this issue under...

The number of preferential trade agreements has greatly increased over the past two decades, yet most existing bilateral arrangements take the form of free trade areas, and less than ten percent can be considered to be fully °edged customs unions. This paper develops a political economy model...

Assume that government maximizes the well being of its citizens subject to technological, political, and informational constraints. How should equilibrium be perturbed so that equilibrium post-perturbation quantities satisfy new exogenously-specified bounds? We prove an intervention principle...