The determinants of export behaviour at firm level have been widely investigated for manufacturing companies. By …, international trade in services has grown significantly over the last few years. However, it is unclear why some companies export …-specific characteristics such as size, productivity, human capital, experience on the national market in Germany, etc. on the firms' export …

line, then, is that R&D activity does matter for success of German business services firms on export markets – but not much. …

-selection of innovative services firms on export markets. We have to admit, however, that the panel is too short, and that the … number of firms that start to export and start to perform R&D during the period under investigation is too small, for any …