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The asymmetric moving average model (asMA) is extended to allow forasymmetric quadratic conditional heteroskedasticity (asQGARCH). Theasymmetric parametrization of the conditional variance encompassesthe quadratic GARCH model of Sentana (1995). We introduce a framework fortesting asymmetries in...
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during the period of the financial crisis. In a Value-at-Risk (VaR) analysis, finally, we further illustrate the advantages … of copula methods. In particular the Student-t copula provides an appropriate quantification of VaR at different …
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