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 …

return volatility estimation. In particular, we use market microstructure theory to derive the cross-correlation function … between latent returns and market microstructure noise, which feature prominently in the recent volatility literature. The … informed conjectures as to improved volatility estimation methods. -- Realized Volatility ; Market Microstructure Theory ; High …

volatility estimation. In particular, we use market microstructure theory to derive the cross-correlation function between latent … returns and market microstructure noise, which feature prominently in the recent volatility literature. The cross … regarding improved volatility estimation methods"--National Bureau of Economic Research web site …