6Griliches Z. Issues in assessing the contribution of rese- arch and development to productivity growth[J]. Bell Jou- rnal of Economics, 1979,10(1): 92-116. 被引量:1
7Morby S B. Research on the value-relevance of R&D in the computer industry[J]. Academy of Management Jour- nal,1988,30:51-70. 被引量:1
8Morbey G K. R&D expenditures and profit growth[J]. Research Technology Management, 1989,32(3):20-23. 被引量:1
9Hall B. The Stock market valuation of R&D investment uring the 1980s[J]. American Economic Review, 1993,83: 259-264. 被引量:1
10Chan S H, Martin J D, Kensinger J W. Corporate rese- arch and development expenditures and share value[J]. Journal of Financial Economics, 1990,26(3):255-276. 被引量:1