共 5 条
[2]
国际科学技术发展报告[M]. 科学出版社 , 徐冠华主编, 2004
[3]
Is public R&D a complement or substitute for private R&D? A review of the econometric evidence[J] . Paul A. David,Bronwyn H. Hall,Andrew A. Toole.Research Policy . 2000 (4)
[4]
The link between R&D subsidies,R&D spending and technological performance. Czarnitzki D,Hussinger K. ZEW Discussion Paper . 2004
[5]
Do subsidies to commercial R&D reduce market failures? Microeconomic evaluation studies. Klette, T,Mφen, J,Griliches, Z. Research Policy . 2000

