共 12 条
- [11] Cooperative and Noncooperative R&D in an Oligopoly with Spillovers[J] . Kotaro Suzumura.The American Economic Review . 1992 (5)
- [12] Cooperative and Noncooperative R & D in Duopoly with Spillovers[J] . Claude D’Aspremont,Alexis Jacquemin.The American Economic Review . 1988 (5)