Using a knowledge production framework and a rich set of plant level data this study demonstrates that in Germany firms … sources, too. The importance of these knowledge sources varies with the type of innovation. These results, which are broadly …

wirtschaftspolitischen Diskussion in Deutschland. Die Autoren untersuchen, wie sich die Einkommensteuerbelastung im Laufe der Jahrzehnte …The level of the income tax is a major issue of the political debate in Germany. The paper presents data on the income …