共 3 条
- [1] Intellectual property rights violations and spillovers in NorthSouth trade. Zigic K. European Economic Review . 1998
- [2] Intensity of competition and the choice between product and process innovation. Bonanno G,Haworth B. International Journal of Industrial Organization . 1998
- [3] Cooperative and noncooperative R&D in duopoly with spillovers. d’Aspremont C,Jacquemin A. The American Economist . 1988