Research about cluster enterprises´ cooperative or noncooperative game model in R&D based on knowledge spillover

Using game theory, this paper research the problems of cooperative and noncooperative R&D of homogeneous cluster enterprises, who have competitive on market, and found a three-stage research model, based on output, knowledge spillover and R&D invest level. It indicates that two homogeneous cluster enterprises´ cooperative R&D can help both the participants get more output and profit than that they will get from noncooperative R&D.