2Solow Robert.M,Technical Change and the Aggregate Production Function[J].The Review of Economics and Statistics,August,1957,39:312-320.
3Denison,Edward F,Accounting for United States Economic Growth,1929 to 1969[R].Wash -ington:Brookings Institution,1974.
4Criliches Z,Productivity,R&D and basic research at firm level in the 1970s[J].American Economic Review,1986,76(1):141-154.
5Goto A.and Suzuki,K.R&D capital,rate of return on R&D investment and spillover of R&D in Japanese manufacturing industries[J].Review of Economics and Statistics,1989,71(4):555-564.
6Wakelin K,Productivity growth and R&D expenditure in UK manufacturing firms[J].Research Policy,2001:30:1079-1090.