This paper explores the regionalisation of the European Union’s supply chains and the impact of enlargement by looking at trends in trade in intermediate products between 1995-2007. The findings show that enlargement has not significantly impacted overall levels of regionalization although it...

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...

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 that...