Firm heterogeneity and the allocation of resources across firms play a key role in determining aggregate productivity. Entry barriers and misallocation can substantially impact productivity, as evidenced in recent work. This article provides a unifying theoretical framework and a review of this...

This paper compares the optimal dynamic choices between policies of mitigation and adaptation for three economies: Brazil, Chile and the United States. The focus is on the optimal role of mitigation and adaptation for “environmentally small economies,” i.e., economies that are witnessing an...

We introduce non-tradable goods to the Heckscher-Ohlin-Samuelson (HOS) model to study the distributive effects of terms of trade shocks. We show that the employment of resources in activities producing exclusively for the local market induces a crucial association between domestic spending and...

We study the interaction between social and economic incentives in determining the level of corruption. Using social rewards as incentives for civil servants may help to reduce corruption. A decrease in corruption produces an externality that makes wage schemes which avert corruption (efficiency...

We develop a simple (incumbent versus entrant) strategic deterrence model to study the economic and geopolitical interactions underlying international trade-related infrastructure projects such as the Panama Canal. We study the incentives for global geopolitical players to support allied...