2017
DOI: 10.1016/j.spa.2016.06.015
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On the class of distributions of subordinated Lévy processes and bases

Abstract: This article studies the class of distributions obtained by subordinating Lévy processes and Lévy bases by independent subordinators and meta-times. To do this we derive properties of a suitable mapping obtained via Lévy mixing. We show that our results can be used to solve the so-called recovery problem for general Lévy bases as well as for moving average processes which are driven by subordinated Lévy processes.

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Cited by 4 publications
(2 citation statements)
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“…For a survey on the subject we can refer to [38]. On the other side, the problem of determining the time change given the observations of X and fixed the base process (as a Brownian motion W , or even a Lévy process L) is known as the recovery problem and it was first studied in [50], see also [45].…”
Section: Introductionmentioning
confidence: 99%
“…For a survey on the subject we can refer to [38]. On the other side, the problem of determining the time change given the observations of X and fixed the base process (as a Brownian motion W , or even a Lévy process L) is known as the recovery problem and it was first studied in [50], see also [45].…”
Section: Introductionmentioning
confidence: 99%
“…Time-changed semimartingales when the time change is absolutely continuous w.r.t. the Lebesgue measure or when the timechange is a subordinator is well studied in the literature (see, e.g., [KS02,SV17,DNS14,KMK10] for an overview and applications to finance). In this paper, we consider a time-changed Brownian motion to model risky asset prices (M t ) 0≤t≤T , M t := W Λt , where the only assumptions on the time change (Λ t ) 0≤t≤T are that it is a strictly increasing stochastic process and it is independent of the Brownian motion (W t ) 0≤t≤T .…”
Section: Introductionmentioning
confidence: 99%