economics and financial markets, the effects of combining multiple news shocks on the volatility of tourism demand have not yet …), conditional heteroscedastic volatility models, and multiple news shocks are suitable for forecasting the volatility of the … Malaysian tourist industry. Among them, three primarily volatility models (GARCH, EGARCH, and GJRGARCH) are used in conjunction …

The contributions of error distributions have been ignored while modeling stock market volatility in Nigeria and … studies have shown that the application of appropriate error distribution in volatility model enhances efficiency of the model … asymmetric volatility models each in Normal, Student's-t and generalized error distributions with the view to selecting the best …

volatility index (VIX). I find a significant negative contemporaneous relationship between changes in VIX and both news sentiment … between previous and current period changes in implied volatility and stock returns, while current period and lagged news … strategy whereby high (low) levels of implied volatility signal attractive opportunities to take long (short) positions in the …