共 13 条
[9]
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)
[10]
More on subsidizing cooperative and noncooperative R&D in duopoly with spillovers
[J].
JOURNAL OF ECONOMICS-ZEITSCHRIFT FUR NATIONALOKONOMIE,
2000, 72 (03)
:295-308