机构投资“抱团”行为的社会网络研究  

Study of Social Network Based on Institutional Investors’Hugging Behavior

作　　者：娄清青 李华[1] 孙秋柏[1] LOU Qing-qing;LI Hua;SUN Qiu-bai(School of Business Administration,University of Science&Technology Liaoning,Anshan 114051,China)

机构地区：[1]辽宁科技大学工商管理学院,辽宁鞍山114051

出　　处：《数学的实践与认识》2020年第17期44-52,共9页Mathematics in Practice and Theory

基　　金：国家自然科学基金(71771112,71571091,71371092);辽宁省创新人才项目(WCR2018003);辽宁省自然基金项目(20180550274)。

摘　　要：信息网络是机构投资者互动的重要媒介.通过机构投资者共同持股建立机构投资者关系网络,利用社会网络方法中的网络密度、中心性和凝聚子群分析探讨机构投资者的网络特征及其影响力.研究发现,机构投资者关系网络整体密度大,凝聚性强,信息传递速度快;网络结构对机构投资者的影响力较大,存在四种不同模式的小团体,其中全通式信息传递速度快,能使机构投资者获得更加全面和准确的信息.本文基于交互行为的视角,拓展了对机构投资者社会关系网络的相关研究,为社会网络与机构投资者的交叉研究提供理论基础.Information network is an important medium for institutional investors to interact.Based on institutional investors’joint shareholding,this paper analyzes the network characteristics and influence of institutional investors by using the network density,centrality and agglomeration subgroup of social network.It is found that the overall density of institutional investor relationship network is large,the cohesion is strong,and the information transmission speed is fast;the influence of network structure on institutional investors is strong,and there are four different models of small groups,among which the all-through information transmission speed is fast,which enables institutional investors to obtain more comprehensive and accurate information.Based on the perspective of interaction behavior,this paper expands the relevant research on institutional investors’social relationship network,and provides theoretical basis for the cross research.

关 键 词：社会网络 机构投资者 信息网络 

分 类 号：C912.3[经济管理] F832.39[社会学]