共 50 条
- [5] Intellectual property rights, distance to the frontier, and R&D: evidence from microdata [J]. Eurasian Business Review, 2016, 6 : 1 - 24
- [8] R&D PRODUCTIVITY AND INTELLECTUAL PROPERTY RIGHTS [J]. MANCHESTER SCHOOL, 2013, 81 (03): : 276 - 292
- [9] Hierarchical modular R&D structure and intellectual property protection: Evidence from multinational R&D labs in China [J]. 2006 IEEE International Conference on Management of Innovation and Technology, Vols 1 and 2, Proceedings, 2006, : 350 - 354