Stochastic volatility models and the Taylor effect

Alberto Mora Galán and Ana Pérez
Authors registered in the RePEc Author Service: Esther Ruiz ()

DES - Working Papers. Statistics and Econometrics. WS from Universidad Carlos III de Madrid. Departamento de Estadística

Abstract: It has been often empirically observed that the sample autocorrelations of absolute financial returns are larger than those of squared returns. This property, know as Taylor effect, is analysed in this paper in the Stochastic Volatility (SV) model framework. We show that the stationary autoregressive SV model is able to generate this property for realistic parameter specifications. On the other hand, the Taylor effect is shown not to be a sampling phenomena due to estimation biases of the sample autocorrelations. Therefore, financial models that aims to explain the behaviour of financial returns should take account of this property.

Date: 2004-11
New Economics Papers: this item is included in nep-ecm, nep-ets, nep-fin and nep-fmk
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:cte:wsrepe:ws046315

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