The Melitz model highlights the importance of the extensive margin (the number of firms exporting) for trade flows. Using the World Bank's Exporter Dynamics Database (EDD) featuring firm-level exports from 50 countries, we find that around 50 percent of variation in exports is along the...

Small and poor countries pose a challenge for the World Trade Organization (WTO). These countries have acquired a significant say in WTO decision-making. However, they have limited ability to engage in the reciprocity game that is at the heart of the WTO, and have limited interests in the...

This paper elaborates on a number of key principles that need to underpin a coherent and development-friendly architecture for the WTO. The key principles include enlarging the scope of WTO bargaining to include labor flows as well as capital flows; creating a structure that would provide a...

This paper describes the United States recently enacted Africa Growth and Opportunity Act (AGOA) and assesses its quantitative impact on African exports. The AGOA expands the scope of preferential access of Africa''s exports to the United States in key areas such as clothing. However, its medium...

This paper estimates the impact of China''s exchange rate changes on exports of competitor countries in third markets, which we call the ""spillover effect"". We use recent theory to develop an identification strategy in which competition between China and its developing country competitors in...