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Multivariate negative aging in an exchangeable model of heterogeneity

Author

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  • Spizzichino, F.
  • Torrisi, G. L.

Abstract

We consider a simple exchangeable model, which accounts for heterogeneity and dependence. Based on this model, we show how, and in which sense, situations of negative aging arise in a natural way from conditions of heterogeneity among items.

Suggested Citation

  • Spizzichino, F. & Torrisi, G. L., 2001. "Multivariate negative aging in an exchangeable model of heterogeneity," Statistics & Probability Letters, Elsevier, vol. 55(1), pages 71-82, November.
    • Handle: RePEc:eee:stapro:v:55:y:2001:i:1:p:71-82
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    References listed on IDEAS

    as
    1. Moshe Shaked & Fabio Spizzichino, 1998. "Positive Dependence Properties of Conditionally Independent Random Lifetimes," Mathematics of Operations Research, INFORMS, vol. 23(4), pages 944-959, November.
    2. Gerardi, Anna & Spizzichino, Fabio & Torti, Barbara, 2000. "Exchangeable mixture models for lifetimes: the role of "occupation numbers"," Statistics & Probability Letters, Elsevier, vol. 49(4), pages 365-375, October.
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