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This paper proposes a methodology for building Multivariate Time-Varying STCC-GARCH models. The novel contributions in this area are the specification tests related to the correlation component, the extension of the general model to allow for additional correlation regimes, and a detailed...
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heterogeneous information present in the financial market and the long memory of volatility. Some theoretical properties of this …
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daily realized volatility data of Standard & Poor's 500 (S&P 500) and several other indices, we obtained good performance … heterogeneous autoregressive and other models of realized volatility. …
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This paper is concerned with the model averaging estimation for the conditional volatility model family. We propose a … model averaging estimator for the conditional volatility under a framework of zero conditional mean and construct the … divergence as well as the Itakura-Saito distance. The forecast of the conditional volatility is also constructed under the model …
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