Bayesian estimation: A sensitivity analysis

George C. Canavos

Naval Research Logistics Quarterly, 1975, vol. 22, issue 3, 543-552

Abstract: The robustness of the assigned prior distribution in a Bayesian estimation problem is examined. A Bayesian analysis for a stochastic intensity parameter of a Poisson distribution is summarized in which the natural conjugate is assigned as the prior distribution of the random parameter. The sensitivity analysis is carried out by assuming the existence of a true prior which is different in form from that of the assigned prior distribution. By using mean‐squared error as a measure of performance, the ensuing Bayes decision function is compared to the corresponding minimum variance unbiased estimator. Results indicate that the Bayes estimator is largely robust to deviations from the assigned prior and remains squared‐error superior to the MVU type within a broad region.

Date: 1975
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https://doi.org/10.1002/nav.3800220310

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Persistent link: https://EconPapers.repec.org/RePEc:wly:navlog:v:22:y:1975:i:3:p:543-552

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