On subexponential tails for the maxima of negatively driven compound renewal and Levy processes

被引:4
|
作者
Korshunov, Dmitry [1 ]
机构
[1] Univ Lancaster, Lancaster, England
关键词
Levy process; Compound renewal process; Distribution tails; Heavy tails; Long-tailed distributions; Subexponential distributions; Random walk; PROBABILITIES; ASYMPTOTICS; SUPREMUM; TIME;
D O I
10.1016/j.spa.2017.07.013
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
We study subexponential tail asymptotics for the distribution of the maximum M-t := suP(u is an element of[0,t]) X-u of a process X-t with negative drift for the entire range of t > 0. We consider compound renewal processes with linear drift and Levy processes. For both processes we also formulate and prove the principle of a single big jump for their maxima. The class of compound renewal processes with drift particularly includes the Cramer-Lundberg renewal risk process. (C) 2017 Elsevier B.V. All rights reserved.
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页码:1316 / 1332
页数:17
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