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The paper develops a novel realized matrix-exponential stochastic volatility model of multivariate returns and realized covariances that incorporates asymmetry and long memory (hereafter the RMESV-ALM model). The matrix exponential transformation guarantees the positivedefiniteness of the...
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Conditional Correlation (DCC) representation for estimating and forecasting time-varying conditional correlations. The reasons … properties; DCC is not a special case of Generalized Autoregressive Conditional Correlation (GARCC), which has testable …
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