ESTIMATION OF THE COVARIANCE-MATRIX OF THE LEAST-SQUARES REGRESSION-COEFFICIENTS WHEN THE DISTURBANCE COVARIANCE-MATRIX IS OF UNKNOWN FORM

被引:15
作者
KEENER, RW [1 ]
KMENTA, J [1 ]
WEBER, NC [1 ]
机构
[1] UNIV SYDNEY,SYDNEY,NSW 2006,AUSTRALIA
关键词
D O I
10.1017/S0266466600004229
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper deals with the problem of estimating the covariance matrix of the least-squares regression coefficients under heteroskedasticity and/or autocorrelation of unknown form. We consider an estimator proposed by White [17] and give a relatively simple proof of its consistency. Our proof is based on more easily verifiable conditions than those of White. An alternative estimator with improved small sample properties is also presented. © 1991, Cambridge University Press. All rights reserved.
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页码:22 / 45
页数:24
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