平滑转移误差修正模型的转移函数选取问题研究

被引:3
作者
南士敬
赵春艳
机构
[1] 西安交通大学经济与金融学院
关键词
平滑转移误差修正模型; 转移函数; 功效; 检验水平; 利率期限结构;
D O I
10.13653/j.cnki.jqte.2015.02.010
中图分类号
O212.1 [一般数理统计]; F830.9 [金融市场];
学科分类号
020208 ; 070103 ; 0714 ; 1201 ; 020204 ;
摘要
针对非线性平滑转移误差修正模型转移函数选取中存在的统计量极限分布非标准、检验统计量功效较低的问题,本文在推导非线性平滑转移协整检验统计量极限分布的基础上构造了如下转移函数选取步骤。首先,计算FNST统计量,进行非线性平滑转移协整检验;其次,计算tEST和tLST统计量及相依概率Pest和Plst;最后,比较Pest和Plst大小并与临界值相比,得出结论。蒙特卡洛仿真模拟结果显示,转移函数选取中各统计量具有良好的功效和势,且转移函数选取中各统计量的功效明显优于其他统计量的功效。实证分析表明我国利率期限结构具有明显的非线性对称调整效应,非线性平滑转移误差修正模型中转移函数应该选取指数函数。
引用
收藏
页码:144 / 160
页数:17
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