共 10 条
[7]
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)
[9]
Do subsidies to cooperative R & D actually stimulate R & D investment and cooperation?[J] . Research Policy . 1995 (3)
[10]
Do Innovation SubsidiesCrowd out Private Investment?Evidence from the GermanService Sector,Konjunkturpolitik .2 Czarnitzki,Dirk,and Andreas Fier. Applied EconomicsQuarterly . 2002