共 19 条
[1]
[Anonymous], 1995, HDB EC INNOV TECHNOL
[2]
Arrow K.J., 1962, RATE DIRECTION INVEN
[4]
BEBCZUK RN, 2002, ESTUD EC, V29, P101
[5]
Cohen W.M., 2000, NBER WORKING PAPERS
[6]
DOMADENIK P, 2008, INFO MIDEM, V4, P279
[8]
GALLINI NT, 1984, AM ECON REV, V74, P931
[10]
Griliches Z., 1995, HDB EC INNOVATION TE