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conditional variances determine the persistence of the transmitted volatility innovations. In particular, the influence of a …This paper analyzes volatility spillovers in multivariate GARCH-type models. We show that the cross-effects between the … foreign volatility innovation on a conditional variance is even more persistent than an own innovation unless this effect is …
Persistent link: https://www.econbiz.de/10010341118
) and the subsequent European Sovereign Debt Crisis (ESDC). The spillover index captures the transmission of volatility to …This paper applies two measures to assess spillovers across markets: the Diebold Yilmaz (2012) Spillover Index and the … Hafner and Herwartz (2006) analysis of multivariate GARCH models using volatility impulse response analysis. We use two sets …
Persistent link: https://www.econbiz.de/10011556166
allows for volatility feedback of either sign, i.e., positive or negative. In the previous literature, negative volatility … GARCH processes ; volatility feedback …
Persistent link: https://www.econbiz.de/10003764299
We propose a novel multivariate GARCH model that incorporates realized measures for the variance matrix of returns. The key novelty is the joint formulation of a multivariate dynamic model for outer-products of returns, realized variances and realized covariances. The updating of the variance...
Persistent link: https://www.econbiz.de/10011520881
; Dynamic conditional correlation ; Return comovement ; Volatility model evaluation …
Persistent link: https://www.econbiz.de/10002570445
We propose a new class of observation-driven time-varying parameter models for dynamic volatilities and correlations to handle time series from heavy-tailed distributions. The model adopts generalized autoregressive score dynamics to obtain a time-varying covariance matrix of the multivariate...
Persistent link: https://www.econbiz.de/10011380135
(2000) is applied but generalised to account for weekly periodicities and time-varying volatility. Eventually we find a …
Persistent link: https://www.econbiz.de/10003894769
Persistent link: https://www.econbiz.de/10009720703
in an efficient manner, allowing to analyse the significance and persistence of volatility shocks and associated …We analyse volatility spillovers between the on- and offshore (CNY and CNH) Renminbi exchange rates towards the US … dollar (USD). The volatility impulse response (VIRF) methodology introduced by Hafner and Herwatz (2006) is applied to …
Persistent link: https://www.econbiz.de/10012294928
most important factor in reducing portfolio variance is the use of a flexible model for time varying volatility, rather … good on the present set of measures as the stochastic volatility models, with or without dynamic correlation. …
Persistent link: https://www.econbiz.de/10011372522