Lipsett, Morley S; Holbrook, J Adam; Lipsey, Richard G; … - In: Research Evaluation 5 (1995) 2, pp. 123-129
Recent studies have indicated that the number of firms engaged in R&D has been significantly underestimated, which has hampered the evaluation of the impact of government S&T policies and programs on individual firms. The results of a study reported here suggest there is a need to supplement R&D...