Diebold, Francis X.; Yılmaz, Kamil - 2008
formulate and examine precise and separate measures of return spillovers and volatility spillovers. Our framework facilitates … evidence of divergent behavior in the dynamics of return spillovers vs. volatility spillovers: Return spillovers display a … gently increasing trend but no bursts, whereas volatility spillovers display no trend but clear bursts. -- Contagion ; Herd …