期刊论文详细信息
STOCHASTIC PROCESSES AND THEIR APPLICATIONS 卷:119
Levy driven moving averages and semimartingales
Article
Basse, Andreas1  Pedersen, Jan1 
[1] Univ Aarhus, Dept Math Sci, DK-8000 Aarhus C, Denmark
关键词: Semimartingales;    Moving averages;    Levy processes;    Bounded variation;    Absolutely continuity;    Stable processes;    Fractional processes;   
DOI  :  10.1016/j.spa.2009.03.007
来源: Elsevier
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【 摘 要 】

The aim of the present paper is to study the semimartingale property of continuous time moving averages driven by Levy processes. We provide necessary and sufficient conditions on the kernel for the moving average to be a semimartingale in the natural filtration of the Levy process, and when this is the case we also provide a useful representation. Assuming that the driving Levy process is of unbounded variation, we show that the moving average is a semimartingale if and only if the kernel is absolutely continuous with a density satisfying an integrability condition. (C) 2009 Elsevier B.V. All rights reserved.

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