An empirical test of the asymmetric models on innovative activity: who invests more into R&D, the incumbent or the challenger?
Referierte Fachzeitschrift // 2004Czarnitzki, Dirk und Kornelius Kraft (2004), An empirical test of the asymmetric models on innovative activity: who invests more into R&D, the incumbent or the challenger?, Journal of Economic Behavior and Organization 54(2) , 153-173