中文摘要：

集群企业同时嵌入本地和超本地网络,而不同网络关系对企业技术创新具有不同的作用机制。基于网络嵌入理论和技术创新理论构建相关模型,对浙江省4个产业集群130份有效问卷进行了实证分析。结果表明：双重关系嵌入正向影响两类集群嵌入企业的搜索策略,但本地关系嵌入更有利于搜索深度,而超本地关系嵌入则更有利于搜索广度;搜索深度与利用性创新正相关,搜索广度与探索性创新正相关;搜索深度在“本地关系嵌入—利用性创新”间起完全中介作用,在“超本地关系嵌入—利用性创新”间起部分中介作用;搜索广度在“本地关系嵌入—探索性创新”间具有完全中介效应,在“超本地关系嵌入—探索性创新”间具有部分中介效应。

英文摘要：

Networks can be divided into local networks and ultra-local networks from the geographical perspective, both oi them have different functional mechanism in improving technological innovation of enterprises. Based on the theory of net- work embeddedness and technological innovation, this paper establishes the relevant model and makes empirical analysis of the 130 valid questionnaires from four clusters in Zhejiang province. The results show that dual reiational embeddedness is positively correlated with the two types of search strategies. Local relational embeddedness is beneficial to search depth, and ultra-local relational embeddedness is beneficial to search width respectively. There is significant positive correlation between search depth and exploratory innovation, search width and exploitative innovation. Search depth plays a fully me- diated on local relational embeddedness to affect exploratory innovation, and plays a partly mediated on ultra-local relation- al embeddedness to affect exploratory innovation. Search width is the mediator of local relational embeddedness and ex- ploitative innovation, as well as the semi-mediator of ultra-local relational embeddedness and exploitative innovation.