共 12 条
[5]
Spillovers from publicly financed business R&D: some empirical evidence from Germany[J] . Research Policy . 2004 (10)
[6]
R&D spillovers and productivity: Evidence from U.S. manufacturing microdata[J] . Bart Los,Bart Verspagen.Empirical Economics . 2000 (1)
[7]
Interindustry R&D Spillovers for Electrical and Electronic Products: The Canadian Case[J] . Jeffrey I. Bernstein.Economic Systems Research . 1997 (1)
[8]
Exploring the relationship between R&D and productivity in French manufacturing firms[J] . Bronwyn H. Hall,Jacques Mairesse.Journal of Econometrics . 1995 (1)
[9]
Patent Statistics as Economic Indicators: A Survey[J] . Zvi Griliches.Journal of Economic Literature . 1990 (4)