Barunik, Jozef; Kočenda, Evžen; Vácha, Lukáš - 2014
We employ a wavelet approach and conduct a time-frequency analysis of dynamic correlations between pairs of key traded … data. We show that heterogeneity in correlations across a number of investment horizons between pairs of assets is a …. Heterogeneity prevails in correlations between gold and stocks. After the 2008 crisis, correlations among all three assets increase …