共 38 条
- [1] ACS ZJ, 1988, AM ECON REV, V78, P678
- [2] [Anonymous], 2001, RES INNOVATION POLIC
- [3] [Anonymous], 2010, HDB IMPACT EVALUATIO
- [4] Firms size and R&D spillovers: Evidence from Italy [J]. SMALL BUSINESS ECONOMICS, 1996, 8 (03) : 249 - 258
- [8] Bondonio D., 2016, COUNTERFACTUAL IMPAC, DOI [10.2791/240240, DOI 10.2791/240240]
- [10] Cadil V., 2018, ZAVERECNE HODNOCENI