Cockburn, Iain M.; MacGarvie, Megan J.; Müller, Elisabeth - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2009
firms, taking into consideration the role played by in-licensing of IP. We find that firms facing more fragmented IP … landscapes have a higher probability of in-licensing. For firms with small patent portfolios we also find a positive association … between fragmentation and licensing costs as a share of sales. We observe a negative relationship between IP fragmentation and …