基于复杂网络的中国股市房地产板块股票强相关性研究

被引:11
作者
兰旺森 [1 ]
张所地 [2 ]
机构
[1] 山西忻州师范学院数学系
[2] 山西财经大学管理科学与工程学院
关键词
网络; 股票市场; 拓扑; 相关系数;
D O I
暂无
中图分类号
F832.51 []; F224 [经济数学方法];
学科分类号
1201 ; 020204 ; 0701 ; 070104 ;
摘要
为分析中国股市房地产板块股票的强相关特性,以101只股票为结点,以近17年股票对数回报的相关系数为加权边,建立复杂网络模型,通过对网络拓扑参数计算,发现该网络为无尺度网络,结点度分布P(s)s-|s|δ,在不同相关系数阈值下,δ值介于0.8~1.6之间.网络平均集聚系数为0.53.文章也对网络中心性进行测量和子群划分,发现代码为000592和601588的结点在网络中具有很高的中介性,网络中大部分结点都受其影响较大.
引用
收藏
页码:62 / 67
页数:6
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