environment of China by use of dynamic coherence function based on co-spectral analysis. Design/methodology/approach: Through a …

environment of China by use of dynamic coherence function based on co-spectral analysis. Design/methodology/approach: Through a …

terms) and exports to GDP ratio in Russia. To this end, we apply a new approach based on a time varying dynamic coherence … function, called, evolutionary co-spectral analysis. Our results put in evidence that coherence pattern differs over time …