“…Manova and Zhang (2009) analyse similar data for China. 2 Among other topics, Joachim Wagner has used earlier German transaction data to investigate the extensive margins of trade in manufacturing (Wagner, 2018), the short run dynamics of trade (Wagner, 2016b), firm productivity (Wagner, 2012), firm age (Wagner, 2015), innovation activity (Wagner, 2017a), firm profits (Wagner, 2014), the trade impact of the distance to destination countries (Wagner, 2017b), and the lumpiness of trade (Wagner, 2016c). 3 When using the term "transaction", we refer to the sum of exports or imports of a certain product by a certain German firm to or from a certain country within a certain time frame.…”