Uniform minimum risk equivariant estimates for moment condition models

Fuente: arXiv
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Hauptverfasser: Broniatowski, Michel, Jurečková, Jana, Keziou, Amor
Format: Preprint
Veröffentlicht: 2019
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_version_ 1866911994617004032
author Broniatowski, Michel
Jurečková, Jana
Keziou, Amor
author_facet Broniatowski, Michel
Jurečková, Jana
Keziou, Amor
contents We consider semiparametric moment condition models invariant to transformation groups. The parameter of interest is estimated by minimum empirical divergence approach, introduced by Broniatowski and Keziou (2012). It is shown that the minimum empirical divergence estimates, including the empirical likelihood one, are equivariants. The minimum risk equivariant estimate is then identied to be any one of the minimum empirical divergence estimates minus its expectation conditionally to maximal invariant statistic of the considered group of transformations. An asymptotic approximation to the conditional expectation, is obtained, using the result of Jureckov{á} and Picek (2009).
format Preprint
id arxiv_https___arxiv_org_abs_1904_11823
institution arXiv
publishDate 2019
record_format arxiv
spellingShingle Uniform minimum risk equivariant estimates for moment condition models
Broniatowski, Michel
Jurečková, Jana
Keziou, Amor
Statistics Theory
We consider semiparametric moment condition models invariant to transformation groups. The parameter of interest is estimated by minimum empirical divergence approach, introduced by Broniatowski and Keziou (2012). It is shown that the minimum empirical divergence estimates, including the empirical likelihood one, are equivariants. The minimum risk equivariant estimate is then identied to be any one of the minimum empirical divergence estimates minus its expectation conditionally to maximal invariant statistic of the considered group of transformations. An asymptotic approximation to the conditional expectation, is obtained, using the result of Jureckov{á} and Picek (2009).
title Uniform minimum risk equivariant estimates for moment condition models
topic Statistics Theory
url https://arxiv.org/abs/1904.11823