日交易量与股票日收益GARCH效应

被引:1
作者
魏正红
张术林
机构
[1] 深圳大学师范学院数学系
[2] 武汉大学数学与统计学院
关键词
股票; 股票日收益; 日交易量; GARCH效应; 波动集群性; 信息流假说;
D O I
暂无
中图分类号
F830.9 [金融市场];
学科分类号
摘要
本文利用中国股票市场的48只具有代表性的股票,对股票日收益的GARCH效应进行了实证研究。结果表明,对于交易活跃的市场,股票日交易量可以很好的解释股票日收益的GARCH效应,当在GARCH模型中引入日交易量作为解释变量,我们发现GARCH效应显著降低,但依然显著存在。
引用
收藏
页码:131 / 134+105 +105
页数:5
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