Wagner, Joachim - In: Economics: The Open-Access, Open-Assessment E-Journal 10 (2016) 2016-21, pp. 1-38
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...