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dynamic leverage mechanism. The correlation-adjusted variant outperforms the naive implementation of the strategy and the …
Persistent link: https://www.econbiz.de/10012905544
+ and the realized correlation matrix Rt+. We construct a deep-learning long short-term memory (LSTM) model to predict Dt …
Persistent link: https://www.econbiz.de/10014353739
This paper proposes two new approaches to improve estimation of the coefficients of the multivariate HAR (MHAR) model, and in turn improve forecast performance. A robust estimator of the covariance matrix is adopted to replace the realized covariance (RCov) matrix while estimating the MHAR...
Persistent link: https://www.econbiz.de/10014355197
Persistent link: https://www.econbiz.de/10010380478
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covariance matrix eigenvalues, while for the Box-Cox dynamic correlation (BC-DC) specification the variances are transformed …
Persistent link: https://www.econbiz.de/10010344500
Persistent link: https://www.econbiz.de/10009159106
This paper argues that the inherent data problems make precise point identification of realized correlation difficult … robust approach to inference especially when the realized correlation is used for estimating other risk measures. We forecast … find that the bounds provide good predictive coverage of the realized correlation for both 1- and 10-step forecasts even in …
Persistent link: https://www.econbiz.de/10010469921
applicable in circumstances with weak serial correlation. An empirical application in macroeconomics underscores the importance … of taking care of serial correlation. We find that the conventional variances are too conservative to account for the …
Persistent link: https://www.econbiz.de/10010503468