Guan, Jiancheng; Zhang, Jingjing; Yan, Yan - In: Research Policy 44 (2015) 3, pp. 545-559
in the field of alternative energy of the USPTO database, we construct inventor collaboration networks at city and as … perform a series of robustness tests. The results show that inter-country collaboration network structure moderates the … relationships between inter-city collaboration network structure and innovation performance. Our findings show that when country …