It is common to observe that demand elasticities in trade equations for imports are implausibly large, and that they differ between countries. Both of these present us with problems, as they imply trade will rise without bound as a proportion of GDP. The research reported here looks for...

This paper analyzes the performance of global value chains during the trade collapse. To do so, it exploits a unique transaction-level dataset on French firms containing information on cross-border monthly transactions matched with data on worldwide intra-firm linkages as defined by property...

"As China's export juggernaut employs many imported inputs, there are many policy questions for which it is crucial to know the extent of domestic and foreign value added in its exports. The best known approach - the concept of "vertical specialization" proposed by Hummels, Ishii and Yi (2001) -...