2015
DOI: 10.1007/s11009-015-9461-8
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Series Representations for Multivariate Time-Changed Lévy Models

Abstract: In this paper, we analyze a Lévy model based on two popular concepts -subordination and Lévy copulas. More precisely, we consider a two-dimensional Lévy process such that each component is a time-changed (subordinated) Brownian motion and the dependence between subordinators is described via some Lévy copula. The main result of this paper is the series representation for our model, which can be efficiently used for simulation purposes.

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Cited by 3 publications
(9 citation statements)
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“…Remark Some conditions, which guarantee that (A2) holds, can be found in the work of Panov . For instance, it is sufficient to assume that there exists a density function p:double-struckR+d1double-struckR and ( d − 1) functions fj:double-struckR+2double-struckR+,3.0235ptj=1,,false(d1false), such that for any u , x > 0, f1false(u1,vfalse)fd1false(ud1,vfalse)pfalse(z1,,zd1false)dzd1,,dz1=trueF˜false(u1,,ud1false|vfalse); the functions fjfalse(uj,vfalse),j=1,,false(d1false) monotonically increase in u j for any fixed v , and moreover, for any j = 1,…,( d − 1) and any y > 0, the equation fj(uj,v)=y has a closed‐form solution with respect to u j ; we denote this solution by hjfalse(y,vfalse). In fact, in this case, …”
Section: Multivariate Subordination Of Stable Processesmentioning
confidence: 99%
See 3 more Smart Citations
“…Remark Some conditions, which guarantee that (A2) holds, can be found in the work of Panov . For instance, it is sufficient to assume that there exists a density function p:double-struckR+d1double-struckR and ( d − 1) functions fj:double-struckR+2double-struckR+,3.0235ptj=1,,false(d1false), such that for any u , x > 0, f1false(u1,vfalse)fd1false(ud1,vfalse)pfalse(z1,,zd1false)dzd1,,dz1=trueF˜false(u1,,ud1false|vfalse); the functions fjfalse(uj,vfalse),j=1,,false(d1false) monotonically increase in u j for any fixed v , and moreover, for any j = 1,…,( d − 1) and any y > 0, the equation fj(uj,v)=y has a closed‐form solution with respect to u j ; we denote this solution by hjfalse(y,vfalse). In fact, in this case, …”
Section: Multivariate Subordination Of Stable Processesmentioning
confidence: 99%
“…Some conditions, which guarantee that (A2) holds, can be found in the work of Panov. 22 For instance, it is sufficient to assume that there exists a density function p * ∶ R d−1 + → R and (d − 1) functions * ∶ R 2 + → R + , = 1, … , (d − 1), such that 1. for any u, x > 0,…”
Section: Multivariate Subordination Of Stable Processesmentioning
confidence: 99%
See 2 more Smart Citations
“…Beyond the Gaussian world, some choices have been proposed to model dependence in the context of Lévy processes. Among others, Cont and Tankov (2003), Cherubini et al (2013), Panov and Samarin (2019), Panov and Sirotkin (2017) have discussed the use of Lévy copulas or of Lévy series representations.…”
Section: Introductionmentioning
confidence: 99%