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dc.contributor.authorFeunou, Brunoen
dc.contributor.authorTédongap, Roméoen
dc.date.accessioned2011-10-10-
dc.date.accessioned2011-12-15T12:58:28Z-
dc.date.available2011-12-15T12:58:28Z-
dc.date.issued2011-
dc.identifier.pidoi:10.34989/swp-2011-20en
dc.identifier.urihttp://hdl.handle.net/10419/53938-
dc.description.abstractWe develop a discrete-time affine stochastic volatility model with time-varying conditional skewness (SVS). Importantly, we disentangle the dynamics of conditional volatility and conditional skewness in a coherent way. Our approach allows current asset returns to be asymmetric conditional on current factors and past information, what we term contemporaneous asymmetry. Conditional skewness is an explicit combination of the conditional leverage effect and contemporaneous asymmetry. We derive analytical formulas for various return moments that are used for generalized method of moments estimation. Applying our approach to S&P500 index daily returns and option data, we show that one- and two-factor SVS models provide a better fit for both the historical and the risk-neutral distribution of returns, compared to existing affine generalized autoregressive conditional heteroskedasticity (GARCH) models. Our results are not due to an overparameterization of the model: the one-factor SVS models have the same number of parameters as their one-factor GARCH competitors.en
dc.language.isoengen
dc.publisher|aBank of Canada |cOttawaen
dc.relation.ispartofseries|aBank of Canada Working Paper |x2011-20en
dc.subject.jelC1en
dc.subject.jelC5en
dc.subject.jelG1en
dc.subject.jelG12en
dc.subject.ddc330en
dc.subject.keywordEconometric and statistical methodsen
dc.subject.keywordAsset pricingen
dc.titleA stochastic volatility model with conditional skewness-
dc.typeWorking Paperen
dc.identifier.ppn669550655en
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen
dc.identifier.repecRePEc:bca:bocawp:11-20en

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