共 90 条
- [1] ABERNATHY WJ, 1978, TECHNOL REV, V80, P40
- [2] INNOVATION, MARKET-STRUCTURE, AND FIRM SIZE [J]. REVIEW OF ECONOMICS AND STATISTICS, 1987, 69 (04) : 567 - 574
- [9] [Anonymous], 1962, RATE DIRECTION INVEN, DOI DOI 10.1521/IJGP.2006.56.2.191
- [10] Azoulay P, 2002, J ECON MANAGE STRAT, V11, P551, DOI 10.1162/105864002320757262