findings have implications for market-wide volatility - the model-implied correlations alone can explain 44% of the cross …-section of aggregate volatility. The results are robust to controlling for a number of alternative factors put forth by the …

volatility autocorrelation comes from the fundamental that the trading process is pricing or, is caused by the trading process … itself. Returns and volume data argue, in the context of our model, that persistent volatility is caused by traders … autocorrelation in volatility and volume on the time scale of the trading process which generates returns and volume data. Positive …

introduce a model for asset return dynamics with a drift component, a volatility component and mutually exciting jumps known as … develop and implement an estimation procedure for this model. Our estimates provide evidence for self-excitation both in the …

reservations about the impact of foreign speculators on both expectedquot; returns and market volatility. We propose a cross … depositary receipts country funds and other financial instruments, in an extranational market and market volatility in emerging … statistically weak. The effects on volatility and correlation are less robust.quot …

influence the exchange rates and relative equity prices. In the estimation of the VAR system we do not impose any causal …

volatility through time. We are particularly interested in understanding whether periods of high volatility are correlated across … countries. The analysis uses both on univariate and bivariate switching volatility models. Our results do not rely on the … correlation coefficients, but on the co-dependence of volatility regimes. The results indicate that high-volatility episodes are …

in emerging countries tend to have shorter duration and larger amplitude and volatility than in developed countries …

the United States to show how stock volatility has changed over time. It also uses various measures of volatility implied … 2008. This episode was associated with historically high levels of stock market volatility, particularly among financial … sector stocks, but the market did not expect volatility to remain high for long and it did not. This is in sharp contrast to …