中文摘要：

在回顾相关研究文献的基础上，主要借鉴陈劲等关于社会资本的定义，将社会资本分为纵向、横向和社会关系资本三个维度，以我国电子通讯类上市公司作为样本，利用其年度报告中的数据，采用因子分析、相关分析、多元回归分析和岭回归分析等分析方法，就企业社会资本对创新缋效的影响进行了实证分析。研究表明：企业的纵向社会资本、横向社会资本和社会关系资本越高，其取得的技术创新绩效就越高，但是企业与供应商之间的关系可能会对技术创新绩效产生不利影响。

英文摘要：

Based on the review of related literatures,this paper uses the definition of social capital proposed by Chen Jin, and resolves the social capital into three dimensions including vertical social capital（relations among enterprises, clients and suppliers）, horizontal social capital （relations between enterprises and competitors） and social relation capital（relations among enterprises, government, universities, scientific institutions and financial institutions）. Taking the listed enterprises in eleetrommunication industry of China as the research sample and using the factor analysis, the correlation analysis,the multi-regression analysis and the ridge regression,it empirically studies the impact of corporate social capital on innovation performance. The result shows that：the more the vertical social capital, the horizontal social capital and the social relation capital are,the better the technology innovation performance will be; however, the relations between enterprises and suppliers may have negative impacts on technology innovation performance.