The paper presents an empirical study of volatility spillover from oil prices to stock markets within an asymmetric … evidence of volatility spillover is found for all stock markets but the Swedish one, where only weak evidence is found. News … impact surfaces show that, although statistically significant, the volatility spillovers are quantitatively small. The stock …

This study investigates volatility spillovers to electric power from large exogenous shocks in the prices of gas, coal … different market conditions. We use a general VAR-BEKK model and the volatility impulse response function methodology to analyze … and evaluate the spillover effects. Special attention is paid to selecting an appropriate econometric volatility model …

In this paper, we investigate the dynamic response of stock market volatility to changes in monetary policy. Using a … vector autoregressive model, our findings reveal a significant and asymmetric response of stock returns and volatility to … monetary policy shocks. Although the increase in the volatility risk premium, futures-trading volume, and leverage appear to …

The long memory characteristic of financial market volatility is well documentedand has important implications for … volatility forecasting and optionpricing. When fitted to the same data, different volatility models calculate theunconditional … variance differently and could have very different volatility persistentparameters. Hence, they produce very different …

attempts to quantify the impact of STT imposition and subsequent revisions on volatility and trading volume during Oct 2003 …-July 2013. Empirical results show a mixed response of volatility and volume to changes in STT. Even though STT has …

In this paper we employ the news aggregator GoogleTM News to demonstrate a strong link between the volatility in the …

the stock market volatility is compared in both the Anglophone world and the Sinophone world. I find that the stock market … volatility and the number of publicly available global news stories are strongly linked to each other in both languages …. Contemporaneous correlations between news and volatility are positive and highly significant, and regressions tell us that the …