The stability of the problem of statistical estimation and a choice of the loss function
Zapiski Nauchnykh Seminarov POMI, Studies in mathematical statistics. Part 3, Tome 87 (1979), pp. 62-73
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In the article there is given the definition of the stability of the problem of statistical estimation. We prove that if the set of all symmetrical statistics form a complete class tnen the problem of statistical estimation is non-stable when the loss function of the form $W(\gamma^*,\gamma)=V(\gamma^*-\gamma)$ is used. Also there are given some examples of loss functions for which the.problem of statistical estimation is stable.