股票交易量对收益率波动性的影响-对深市个股的实证分析

被引:26
作者
王燕辉
王凯涛
机构
[1] 西安交通大学管理学院
[2] 深圳发展银行上海分行 陕西西安
[3] 上海
关键词
股票市场; 波动性; 交易量; EGARCH模型;
D O I
暂无
中图分类号
F832.5 [金融市场];
学科分类号
摘要
本文利用20只深圳成分指数的成分股1998年1月5日至2002年9月27日交易数据组成分析样本,研究了交易量和股票收益率波动性之间的关系。在EGARCH模型条件方差方程中加入当前交易量可以显著降低条件方差波动的持续性,表明当前交易量可以代表引起收益率ARCH效应的新信息。
引用
收藏
页码:81 / 88
页数:8
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