Multivariate negative aging in an exchangeable model of heterogeneity
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.
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Volume (Year): 55 (2001)
Issue (Month): 1 (November)
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- 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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