The Riskiness of Risk Models
AbstractWe provide an economic valuation of the riskiness of risk models by directly measuring the impact of model risks (specification and estimation risks) on VaR estimates. We find that integrating the model risk into the VaR computations implies a substantial minimum correction of the order of 10-40% of VaR levels. We also present results of a practical method Ñ based on a backtesting framework Ñ for incorporating the model risk into the VaR estimates.
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Bibliographic InfoPaper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 11020.
Length: 14 pages
Date of creation: Mar 2011
Date of revision:
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Model risk; quantile estimation; VaR; Basel II validation test.;
Other versions of this item:
- Christophe Boucher & Bertrand Maillet, 2011. "The Riskiness of Risk Models," UniversitÃ© Paris1 PanthÃ©on-Sorbonne (Post-Print and Working Papers) halshs-00587779, HAL.
- C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
- C50 - Mathematical and Quantitative Methods - - Econometric Modeling - - - General
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
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.:
- Yacine Aït-Sahalia & Julio Cacho-Diaz & Roger J.A. Laeven, 2010. "Modeling Financial Contagion Using Mutually Exciting Jump Processes," NBER Working Papers 15850, National Bureau of Economic Research, Inc.
- Christophe Boucher & Gregory Jannin & Patrick Kouontchou & Bertrand Maillet, 2013.
"An Economic Evaluation of Model Risk in Long-term Asset Allocations,"
Review of International Economics,
Wiley Blackwell, vol. 21(3), pages 475-491, 08.
- Christophe Boucher & Gregory Jannin & Bertrand Maillet & Patrick Kouontchou, 2013. "An Economic Evaluation of Model Risk in Long-term Asset Allocations," Working Papers halshs-00825303, HAL.
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