中文摘要：

产业集群升级是当前产业界和学术界关注的热点问题，而集群企业的创新与知识外溢情况下企业“搭便车”行为是个两难问题。本文通过集群组织的知识溢出分析了企业之间在研发与市场二个阶段下的合作与竞争情况，比较各种情况下科研（知识）的投入，分析集群的企业创新行为以及集群组织内普遍存在的恶性竞争行为，并提出相应的解决措施，为政府引领产业集群的发展提供了思路。

英文摘要：

Industrial cluster upgrading is the hot issues concerned by the industry and academia currently. In the situation of enterprises＇ innovation and knowledge spillovers, ＂Free Ride＂ is a dilemma. This text analyzescooperation and competition between enterprises in the two stages of R ＆ D and market in the situation of enterprises＇ knowledge spillover, and compares investments in scientific research （knowledge） in different situations.Through analyzing the enterprises＇ innovative behavior, as well as vicious competitive behavior in the cluster, we propose some solutions accordingly, and provide a guideline for the government to lead the development ofindustrial clusters.