This paper looks at a hitherto neglected extensive margin of international trade by investigating for the first time the frequency at which German exporters and importers trade a given good with a given country. Imports and exports show a high degree of lumpiness. In a given year about half of...

This note uses the newly available Exporter and Importer Dynamics Database for Germany to investigate the links between trade dynamics and trade costs. It shows results for the dynamics of Germany’s goods trade as a whole, and for trade with two of the most important partner countries, namely...

In Germany, for the reporting year 2009 transaction-level data on exports and imports of goods have been aggregated at the level of the exporting or importing firm for the first time. In these data the number of goods exported and imported and the number of countries exported to and imported...