A note on conditionally unbiased estimation after selection

We establish the equivalence of conditional unbiasedness and Lehmann's risk unbiasedness and a necessary and sufficient condition for the existence of such estimators. This condition brings out transparently the reason for the nonexistence of such estimators in most cases based on single stage sampling.

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Year of publication:	1995
Authors:	Deshpande, Jayant V. ; Muhammad Fareed, T. P.
Published in:	Statistics & Probability Letters. - Elsevier, ISSN 0167-7152. - Vol. 22.1995, 1, p. 17-23
Publisher:	Elsevier
Keywords:	Estimation after selection Unbiased and conditionally unbiased estimators Lehmann's risk unbiasedness Completeness property

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10005223683