中文摘要：

企业集团的国际化程度对创新绩效具有双重效应。探讨了高新技术企业国际化程度与创新绩效的关系。研究发现企业集团与非企业集团隶属公司相比,呈现出不同机制。一方面,企业集团的国际化持续地促进创新绩效提高;另一方面,企业集团减缓了国际化对创新绩效的促进作用。以国家高新区企业为样本,研究首先发现国际化程度与创新绩效之间的倒U型关系。但集团公司呈现正向关系,此为企业集团正向效应。然而,集团公司特性对＂国际化—创新绩效＂关系具有负向调节,此为企业集团的负向效应。

英文摘要：

The degree of internationalization of business groups has double effects on their innovation performance.The authors discuss the relationship between the degree of internationalization and innovation performance of hightech firms. It finds that the mechanisms of them are different for affiliated firms and non-affiliated. On one hand,the internationalization of business groups constantly improves the innovation performance; on the other hand, business groups slow down the positive impact of internationalization on innovation performance. Employing one of national high- tech zones as the research sample, it firstly finds that there is an inverted- U shaped relationship between the degree of internationalization and innovation performance. But it is a positive one for business groups,which is positive effect of business groups. However, the attribute of being business groups negatively mo- derates the ＇internationalization-innovation performance＇ relationship, which is the negative effect of business groups.