Continuity of scale parameter estimators with respect to stochastic orders

  1. Jarosław Bartoszewicz
  2. Magdalena Frąszczak


Lehmann and Rojo proposed a concept of invariance of stochastic orders and related probability metrics with respect to increasing transformations of random variables. Bartoszewicz and Benduch and Bartoszewicz and Frąszczak  applied a concept of Lehmann and Rojo to new settings. In the paper these results are applied to the problem of robustness in the sense of Zieliński. Metrics related to some stochastic orders are used to study the continuity (robustness) of scale parameter estimators when contaminations of the models are generated by stochastic orders. The exponential model is considered in detail.

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Probability and Mathematical Statistics

32, z. 1, 2012

Pages from 57 to 67

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