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...

Is the variation in bilateral trade flows across countries primarily due to differences in the number of exporting firms (the extensive margin) or in the average size of an exporter (the intensive margin)? And how does this affect the estimation and quantitative implications of the Melitz (2003)...

Does "infant industry" preferential access durably boost export performance? This paper exploits significant trade policy changes in the United States (US) to address this question. The expansion of Generalized System of Preferences (GSP) products for less developed countries in 1997 and the...

Consisting of teams working with firm level data, the International Study Group on Exports and Productivity has used comparable micro level panel data for 14 countries and a set of identically specified empirical models to investigate the relationship between exports and productivity. The...