; diversity ; coherence ; knowledge … coherence vs. market coherence and of accumulated knowledge on the productivity of firms differs. Productivity increases with … the number of patents and decreases with the patent diversity and project portfolio coherence. When considering only the …

coherence vs. market coherence and of accumulated knowledge on the productivity of firms differs. Productivity increases with … the number of patents and decreases with the patent diversity and project portfolio coherence. When considering only the … project knowledge, the diversity of the project portfolio positively affects productivity. …

diversity of a firm's future product portfolio and the diversity of its stock of technological knowledge. This relationship … diversity of a firm's product portfolio. More specifically, we try to explain large firms' expansion into new product markets … driven by the characteristics of their technological knowledge. Empirically, we study firms in the pharmaceutical and biotech …

. -- diversification ; technological diversity ; relatedness ; competition ; R&D …

diversity of a firm's future product portfolio and the diversity of its stock of technological knowledge. This relationship … becomes weaker when the breadth of technological knowledge increases. -- Product diversity ; technological diversity ; product … diversity of a firm's product portfolio. More specifically, we try to explain large firms' expansion into new product markets …