共 50 条
- [41] Public R&D and European agriculture: impact on productivity and return on R&D expenditure BIO-BASED AND APPLIED ECONOMICS, 2021, 10 (01): : 73 - 86
- [42] The role of R&D and input trade in productivity growth: innovation and technology spillovers JOURNAL OF TECHNOLOGY TRANSFER, 2020, 45 (03): : 908 - 928
- [43] The role of R&D and input trade in productivity growth: innovation and technology spillovers The Journal of Technology Transfer, 2020, 45 : 908 - 928
- [44] R&D, education, and productivity: A retrospective. ECONOMIC JOURNAL, 2002, 112 (477): : F153 - F155
- [46] Is R&D Enough to Improve Firm Productivity? INTERNATIONAL PRODUCTIVITY MONITOR, 2019, 37 : 120 - 143
- [47] R&D and productivity: The econometric evidence. ECONOMIC JOURNAL, 1999, 109 (456): : F463 - F464