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On stochastic comparisons of finite α-mixture models

Ghobad Barmalzan, Sajad Kosari and Yiying Zhang

Statistics & Probability Letters, 2021, vol. 173, issue C

Abstract: This paper studies stochastic comparisons on the finite α-mixture models proposed in Asadi et al. (2019). Sufficient conditions on the underlying distribution parameters and the mixing probabilities are established for the comparisons of different α-mixtures of survival or distribution functions with respect to the usual stochastic order and the (reversed) hazard rate order, respectively. Several examples are also presented to illustrate the theoretical findings.

Keywords: Stochastic orders; α-mixture model; Majorization; Semi-parametric survival function (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1016/j.spl.2021.109083

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