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We consider the problem of ex-ante forecasting conditional correlation patterns using ultra high frequency data … correlation matrices and exogenous factors. The Fisher-z transformation guarantees robustness of correlation estimators under … prominent parametric and nonparametric alternatives to correlation modeling. Based on economic performance criteria, we …
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turns out to be the main cause of the Epps effect. However, the corrected correlation estimator seems to be more volatile … than the regular estimator of the correlation. In the case of the VSE, evidence of the Epps effect is not unique. For the …
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the variance matrix. Monte Carlo evidence for parameter estimation based on different small sample sizes is provided. We …
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