It has become increasingly common to allocate highway franchises to the bidder that offers to charge the lowest toll. Often, building a highway increases the value of land held by a small group of developers, an effect that is more pronounced with lower tolls. We study the welfare implications...

I evaluate India's transition from an inward-oriented development strategy to greater participation in the world economy. While tariff rates have decreased significantly over the past decade, India is still one of the more autarkic countries. Despite improvement over the past in export...

Public-private partnerships (PPPs) cannot be justified because they free public funds. When PPPs are justified on efficiency grounds, the contract that optimally balances demand risk, user-fee distortions and the opportunity cost of public funds, features a minimum revenue guarantee and a...

We were asked to discuss specific methodological approaches to evaluating three hypothetical interventions. This article uses this forum to discuss three misperceptions about randomized trials. First, nobody argues that randomized trials are appropriate in all settings, and for all questions....

This paper reviews the determinants of Latin America's uneven growth based on an accounting decomposition that breaks down countries' growth (relative to the world) into three trade-related channels: (i) an export pull measuring the traction exerted by the country's exports, (ii) an external...