【摘要】 在有专利竞赛与无专利竞赛情形下对市场结构与 R& D的关系进行研究。在无专利竞赛下 ,通过对不同市场结构下企业 R& D动力的比较 ,本文认为竞争性市场结构有利于激励企业的技术创新。当存在专利竞赛时 ,对静态与动态竞争模型的考察均得到一致的结论 ,即垄断性企业有更大的动机从事 R& D。更多还原

【Abstract】 Relationship between Market structure and R&D,one of the focused topics in Innovation Economics,is reexamined according to with R&D Rivalry or without in this paper. The view that competitive market structure is most helpful to motivate R&D is verified by this paper by comparing different market structures without R&D rivalry. When there exists R&D rivalry,however,by game theoretical method,both static and dynamic R&D rivalry game show that monopoly is most helpful for firm’s R&D.更多还原