Value at Risk Computation in a Non-Stationary Setting
AbstractThis chapter recalls the main tools useful to compute Value at Risk associated with a m-dimensional portfolio. Then, the limitations of the use of these tools is explained, as soon as non-stationarities are observed in time series. Indeed, specific behaviours observed by financial assets, like volatility, jumps, explosions, and pseudo-seasonalities, provoke non-stationarities which affect the distribution function of the portfolio. Thus, a new way for computing VaR is proposed which allows the potential non-invariance of the m-dimensional portfolio distribution function to be avoided.
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Bibliographic InfoPaper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00511995.
Date of creation: 2010
Date of revision:
Publication status: Published, Handbook on Model Risk : Measuring, managing and mitigating model risk, lessons from financial crisis, John Wiley (Ed.), 2010, 431-454 - chapter 19
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Non-stationarity - Value-at-Risk - Dynamic copula -Meta-distribution - POT method.;
This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-09-11 (All new papers)
- NEP-BAN-2010-09-11 (Banking)
- NEP-ECM-2010-09-11 (Econometrics)
- NEP-RMG-2010-09-11 (Risk Management)
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Dominique Guegan & Pierre-André Maugis, 2010.
"New Prospects on Vines,"
UniversitÃ© Paris1 PanthÃ©on-Sorbonne (Post-Print and Working Papers)
- Dominique Guegan & Pierre-André Maugis, 2008. "New prospects on vines," Documents de travail du Centre d'Economie de la Sorbonne b08095, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne, revised Mar 2010.
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