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VOL. 49 | 2006 On competing risk and degradation processes

Abstract

Lehmann’s ideas on concepts of dependence have had a profound effect on mathematical theory of reliability. The aim of this paper is two-fold. The first is to show how the notion of a “hazard potential” can provide an explanation for the cause of dependence between life-times. The second is to propose a general framework under which two currently discussed issues in reliability and in survival analysis involving interdependent stochastic processes, can be meaningfully addressed via the notion of a hazard potential. The first issue pertains to the failure of an item in a dynamic setting under multiple interdependent risks. The second pertains to assessing an item’s life length in the presence of observable surrogates or markers. Here again the setting is dynamic and the role of the marker is akin to that of a leading indicator in multiple time series.

Information

Published: 1 January 2006
First available in Project Euclid: 28 November 2007

zbMATH: 1268.62136
MathSciNet: MR2338545

Digital Object Identifier: 10.1214/074921706000000473

Subjects:
Primary: 62M05, 62N05
Secondary: 60J65

Rights: Copyright © 2006, Institute of Mathematical Statistics

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