投资者风险偏好的动态特征——来自国际股票市场的实证证据

被引:13
作者
贺志芳
周方召
机构
[1] 江南大学商学院
关键词
风险偏好; GARCH-M模型; 风险补偿;
D O I
暂无
中图分类号
F831.51 [];
学科分类号
摘要
从股票市场整体出发,研究投资者当期损益结果和前期损益结果对风险偏好的影响,以考察投资者风险偏好的动态特征.主要将GARCH-M模型中的风险补偿系数拓展为随投资者的损益结果发生变化,考察不同时期下投资者的损益状态和损益大小对风险偏好的影响.实证结果表明:投资者在当期收益状态下是风险规避的,在当期损失状态下是风险寻求的;而在前期损失状态下是风险规避的,并且不受前期收益状态的影响.同时,投资者的风险偏好还受不同时期损益大小的影响,其风险规避程度与当期收益大小成正比,风险寻求程度与当期损失大小成正比;对于前期损益大小,其风险规避程度与前期损失大小成正比,并且其风险偏好也不受前期收益大小的影响.
引用
收藏
页码:348 / 363
页数:16
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