中文摘要：

本文指出经济学对产业集群现象解释的局限，并试图从企业家社会网络的角度来分析这一现象。通过构造环境、网络和行为三者之间的关系，在内生型产业集群环境下，利用“撒网”模型做应用研究，文章得出两点结论：第一，强联系在企业家撒网过程中起主要作用；第二，个体行为的路径依赖现象影响了企业家撒网的过程和结果。

英文摘要：

This paper points out the deficiencies for economics to explain industry cluster and tries to study it from the viewpoint of entrepreneur＇s social networks. Based on the relationships between environment, networks and behaviors, this paper makes two conclusions from the applied study by examining the model of ＂Casting Net＂ in endogenic cluster： （ 1 ） Strong tie plays the most important role in entrepreneur ＂casting net＂ ; （2） Path dependence in individual behaviors influences the processes and results of entrepreneur ＂casting net＂.