探讨企业R&D能力互补下的政府补贴如何影响企业的合作创新模式。当政府不补贴时,讨论了企业间的合作创新动机与模式,发现此时将出现企业收益与社会收益相背离的现象。当政府给予补贴时,不仅可提升社会福利,还将改变企业间的合作创新模式,使得企业利润和社会福利同时达到最优。 To explore how government subsidies with complementary R & D capabilities affect the cooperative innovation model of enterprises. When the government does not subsidize, it discusses the motivations and modes of cooperative innovation among enterprises and finds that there will be a departure from the corporate income and social benefits at this time. When the government subsidies, not only can enhance social welfare, but also change the cooperation between enterprises innovation model, making corporate profits and social welfare at the same time to achieve the best.