中文摘要：

利用2005~2013年我国上市公司披露研发数据的122家企业作为样本,引入新产业组织分析框架分析了不同类型企业集团研发绩效,测算了集团化经营的内部知识溢出效应。结果表明行业内的集团化经营存在研发协同效应,即集团企业的技术进步不仅依赖于自身研发投入,也取决于其他成员的研发投入;但是行业间的集团化却没有表现出相应的特征;组建区域内的企业集团有助于提高企业研发绩效,而区域间的企业集团并没有表现出相应的特征。

英文摘要：

This paper used 122 companies＇ research data as samples which were disclosed by our formula companies, and analyzed the different types of enterprise group R＆D performance with the introduction of new industrial organization analysis framework. It estimated the internal knowledge spillovers of group operations, the results show that the group management within the industry exits R＆D synergy, namely conglomerates technological progress depends not only on its own R＆D in- vestment, but also on other members of the R＆D investment; However, inter-industrial group management did not show a corresponding feature; establishing inter-regional enterprise group will help improve R＆D performance, but inter-regional enterprise group did not show a corresponding feature.