documents that, when the idiosyncratic volatility is specified by firm size, the size-portfolio idiosyncratic volatility is …, this paper examines the predictive ability of the size-portfolio idiosyncratic volatility for GDP growth. It concludes that … size-portfolio idiosyncratic volatility contain significant information for forecasting future GDP growth for both the U …

Asymmetries in volatility spillovers are highly relevant to risk valuation and portfolio diversification strategies in … volatility may spill over at different magnitudes. This paper fills this gap with two contributions. One, we suggest how to … quantify asymmetries in volatility spillovers due to bad and good volatility. Two, using high frequency data covering most …