共 50 条
- [42] Evaluation of public investment in R&D -: Towards a contingency analysis [J]. POLICY EVALUATION IN INNOVATION AND TECHNOLOGY: TOWARDS BEST PRACTICES, 1997, : 49 - 64
- [45] The cyclicality of R&D investment revisited [J]. JOURNAL OF APPLIED ECONOMETRICS, 2019, 34 (02) : 315 - 324
- [49] R&D, investment, and industry dynamics [J]. JOURNAL OF ECONOMICS & MANAGEMENT STRATEGY, 1996, 5 (02) : 217 - 249