马尔科夫转换的资本资产定价模型及其最大似然估计

被引:4
作者
刘丹红
张世英
苏为东
机构
[1] 天津大学理学院
[2] 天津大学管理学院
关键词
似然比; 资本资产定价模型; 最大似然估计; β系数;
D O I
暂无
中图分类号
F224 [经济数学方法];
学科分类号
0701 ; 070104 ;
摘要
从动态角度研究了资本资产定价模型,提出了马尔科夫转换的资本资产定价模型。与经典资本资产定价模型相比较,由似然比说明马尔科夫转换的资本资产定价模型的最大似然估计的参数好于经典资本资产定价模型的参数,并且对7天的股票收益率进行预测,结果平均绝对预测误差较小,估计出的参数β能更好地描述市场风险,以获得最优收益。
引用
收藏
页码:345 / 348
页数:4
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