Foreign exchange value-at-risk with multiple currency exposure : a multivariate and copula generalized autoregressive conditional heteroskedasticity approach / David W. Maybury.: D68-2/62-2014E-PDF
Large DND projects and acquisitions are exposed to more than one foreign currency at the same time which complicates management’s foreign exchange risk assessments. The Centre for Operational Research and Analysis’ (CORA) in-house Generalized Autoregressive Conditional Heteroskedasticity (GARCH) models are extended to a full multivariate setting. The extensions involve two models types: multivariate GARCH and copula-GARCH. It was found that both models give qualitatively similar value-at-risk (VaR) estimates, and that both models provide a much improved risk assessment relative to the current practice – correcting VaR estimates on the order of 25% in cases in which multiple currency exposures are of similar size. Using the USDCAD, the EURCAD, and the GBPCAD, estimation techniques for each model are demonstrated. Finally, the strength of the improved models are shown through a 100-day VaR calculation.
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| Title | Foreign exchange value-at-risk with multiple currency exposure : a multivariate and copula generalized autoregressive conditional heteroskedasticity approach / David W. Maybury. |
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| Publication type | Monograph - View Master Record |
| Language | [English] |
| Format | Digital text |
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| Description | viii, 42, [2] p. : fig., graphs, tables. |
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| Departmental catalogue number | DRDC-RDDC-2014-R62 |
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