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THE INADMISSIBILITY OF CERTAIN BAYES DECISION RULES UNDER VAGUE PRIORS IN LOCATION-PROBLEMS

Publisher
BLACKWELL PUBL LTD
Publication Date
Keywords
  • Qa Mathematics

Abstract

It is shown that, when improper, translation invariant priors distributions are used in the Bayesian analysis of a single location parameter, the related Bayes decision rules associated with a wide class of loss functions are inadmissible. It is concluded that the routine use of improper distributions, even in translation problems, can be misleading.

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