This paper considers the problem of model uncertainty in the case of multi-asset volatility models and discusses the … management. Evaluation of volatility models is then considered and a simple Value-at-Risk (VaR) diagnostic test is proposed for …

A growing literature uses changes in residual volatility for identifying structural shocks in vector autoregressive … in applications in this context. This study reviews the different volatility models and points out their advantages and …

volatility of macroeconomic variables. Such identification approach allows us to simultaneously address two major questions in …

Russia. The adopted framework allows to analyse interdependence by estimating volatility spillovers, and also contagion by … testing for possible shifts in the transmission of volatility following the introduction of the euro and EU accession. Further …. Furthermore, whilst the introduction of the euro has had mixed effects, EU accession has resulted in an increase in volatility …

return correlations using weekly returns on futures markets and investigate the extent to which multivariate volatility …