具有不可忽略退出的面板数据混合半参数变系数模型

李志强1,2;薛留根1

北京化工大学学报(自然科学版) ›› 2007, Vol. 34 ›› Issue (2) : 193-195.

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北京化工大学学报(自然科学版) ›› 2007, Vol. 34 ›› Issue (2) : 193-195.
研究论文

具有不可忽略退出的面板数据混合半参数变系数模型

  • 李志强,;薛留根
作者信息 +

Mixtures of semiparametric varying coefficient models of panel data with nonignorable dropout

  • LI ZhiQiang1,2;XUE LiuGen1
Author information +
文章历史 +

摘要

由于面板数据经常出现由信息性退出而引起的缺失数据,故其统计分析比较复杂。本文假定响应变量服从部分线性半参变系数混合效应模型,其中非参数系数函数依赖于相应的退出时间。利用二步估计方法的思想求得参数与非参数部分的相合估计,减少了同时估计的参数的个数,避免了估计方程中由较多参数引起的多重共线性问题。

Abstract

The analysis of panel data is frequently complicated by missing data due to information dropout. We assume that responses follow a semiparametric varying coefficient random effect model. The concept of two step estimation is used in order to provide consistent estimators of the parameteric and nonparametric parts. Themethods simplify the calculations and avoid the collinearity caused by more parameters in the model.

引用本文

导出引用
李志强1,2;薛留根1. 具有不可忽略退出的面板数据混合半参数变系数模型[J]. 北京化工大学学报(自然科学版), 2007, 34(2): 193-195
LI ZhiQiang1,2;XUE LiuGen1. Mixtures of semiparametric varying coefficient models of panel data with nonignorable dropout[J]. Journal of Beijing University of Chemical Technology, 2007, 34(2): 193-195

参考文献

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