共 13 条
[6]
Subsidies, entry and the distribution of R&D investment[J] . John Asker,Mariagiovanna Baccara.International Journal of Industrial Organization . 2009 (3)
[7]
Measuring innovative performance: is there an advantage in using multiple indicators?[J] . John Hagedoorn,Myriam Cloodt.Research Policy . 2002 (8)
[10]
The nature of innovation market failure and the design of public support for private innovation[J] . Stephen Martin,John T Scott.Research Policy . 2000 (4)