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PARTIALLY ADAPTIVE ESTIMATION VIA A NORMAL MIXTURE
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DOI：10.1016/0304-4076(94)90060-4.png)
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This paper proposes a new partially adaptive regression estimator. The estimator is derived by modeling the disturbance distribution as a variance mixture of normal distributions, yet the true disturbance distribution need not be a variance mixture in order for the proposed estimator to be consistent and asymptotically normal. Moreover, the partially adaptive estimator is shown to be less sensitive to extreme values than the ordinary least-squares estimator, a point that is illustrated with some Monte Carlo experiments. The paper also provides some easily programmed EM algorithms for computing estimates.
Keyword:
REGRESSION
ROBUST ESTIMATION
EM ALGORITHM
期刊
IF:
4
论文数:
5.3K
被引数:
3.0W
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ECONOMETRICA
ECONOMETRICAIF7.1
PREAI
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