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(ARCH). Advances in the literature now offer well tested estimators for a basic univariate SVOL model. However, the basic …. Les modèles de volatilité stochastique, alias SVOL, sont plus durs à estimer que les modèles traditionnels de type ARCH …
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tests apply to both the class of ARCH and SV type processes and allow for long memory features. We also apply them to data … ARCH et de type SV et tiennent compte des caractéristiques de mémoire longue. Nous les appliquons également aux estimateurs …
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The risk-return trade-off being the very substance of finance, volatility has always been an essential parameter for portfolio management. Moreover, the generalization of the use of derivatives has placed in the forefront the concept of volatility risk: i.e. the model risk generated by treating...
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conditional heteroskedasticity (ARCH-type models). We also suggest several extensions of the existing procedures (sup-type or …) ARCH, GARCH and ARCH-in-mean alternatives; (2) the case where the variance increases monotonically with: (i) one exogenous …'hétéroskédasticité autorégressive conditionnelle (les modèles de type ARCH). Nous suggérons plusieurs extensions des procédures usuelles (les …
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