Asymptotic distribution for the self-weighted estimation of the error variance in GRCA (1) models(GRCA(1)模型中误差方差自加权估计的渐近分布)
考虑随机系数自回归模型yt = Φt yt - 1 + ut,其中Φt 为随机系数,ut 为随机误差。在允许Φt 与ut 相依以及无穷的条件下,构造了误差方差的自加权估计,并证明了该估计的渐近正态性。最后通过数值模拟,说明自加权估计的稳健和有效性。...
Main Authors: | , , , , |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2019-07-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2019.04.006 |