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regression on wavelet coefficients. The concept of wavelet local multiple correlation is used to produce one single set of multi …-scale correlations along time, in contrast with the large number of wavelet correlation maps that need to be compared when using standard … century. It is shown how the evolution of the correlation structure in these markets has been far from homogeneous both along …
Persistent link: https://www.econbiz.de/10012854086
Efficiency of the equity market is one of the areas of prime concern for the stock market regulators because of its bearing on the investment behavior of investors. Also, with the increase in the level of integration with global stock markets, information originating in different countries has...
Persistent link: https://www.econbiz.de/10013132983
. We also find that the cross-correlation of the trade signs turns out to be a short-memory process …
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in specific correlation dynamics. A strong implication emerges: during the period under research, and from a different …
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autoregressive conditional heteroskedasticity model and the dynamic conditional correlation model where distributional assumptions …
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multivariate corrected dynamic conditional correlation fractionally integrated asymmetric power ARCH (c-DCC-FIAPARCH) process … five groups of countries based on the shape of the dynamic conditional correlation, which indicates that the relationship …
Persistent link: https://www.econbiz.de/10012433724
Finding a precise variance-covariance matrix is the building block of empirical finance. While microstructure-noise-robust methods for realized volatility are in the mainstream of financial econometrics, little if any attention has been devoted to estimating a noise-free realized covariance for...
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how these two aspects are interrelated. Specifically, we focus on the relationship between the cross-correlation among …
Persistent link: https://www.econbiz.de/10013099664