Data on the individual export destinations of French firms shed light on the nature of entry barriers to national markets. The data reveal some striking regularities: (1) Looking across des tinations, the relationship between market size, French market share, and the number of French firms...

We incorporate trade imbalances into a quantitative model of bilateral trade in manufactures, dividing the world into forty "countries." We calculate the pattern of bilateral trade and relative factor costs in a counterfactual world with all current accounts balancing. Our results indicate that...

Customs data reveal heterogeneity and granularity of relationships among buyers and sellers. A key insight is how more exports to a destination break down into more firms selling there and more buyers per exporter. We develop a quantitative general equilibrium model of firm-to-firm matching...

"We examine entry across 113 national markets in 16 different industries using a comprehensive data set of French manufacturing firms. The data are unique in indicating how much each firm exports to each destination. Looking across all manufacturers: (1) Firms differ substantially in export...