共 48 条
- [3] Aghion P., 2008, BRUEGEL BLUEPRINT SE
- [5] [Anonymous], 2012, NON PARAMETRIC APPRO
- [6] [Anonymous], 1998, R D PRODUCTIVITY
- [7] [Anonymous], CITATION ANAL RES EV
- [8] [Anonymous], RES EVALUAT, DOI [10.1093/rev/5.1.3, DOI 10.1093/REV/5.1.3]
- [9] Bauwens L., 2007, 200792 CORE
- [10] Becker SaschaO., 2004, GIORNALE EC, V63, P1