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 …

value robust volatility estimator with respect to the standard robust volatility estimator as proposed in the paper by … Muneer & Maheswaran (2018b). We show that the robust volatility ratio is unbiased both in the population as well as in finite … samples. We empirically test the robust volatility ratio on 9 global stock indices from America, Asia Pacific and EMEA markets …

The study examines returns spillover, shock, and volatility transmission between Nigeria and selected global stock … benefit from diversification into Nigeria and Japan markets. Except for China and Hong Kong, volatility is relatively more …

the behaviour of returns and their volatility during both the calm as well as various crises/turmoil periods. Besides the …-GJR-GARCH) were estimated in order to examine the volatility switches of the Central European transition stock markets. The t …-distribution of error terms was used to capture the dynamics of analysed returns more precisely. The results proved high volatility …

A conjecture in the literature holds that a large and diversified investor base leads to lower volatility by improving … does not support the conjecture. Instead, volatility increases in the number of investors and in the size of the firm … implications for stock return volatility …

issue is particularly important for persistent time series, we focus on volatility modelling, specifically modelling of … realized volatility. We suggest a simple way of adjusting volatility models, which we illustrate on an AR(1) model and the HAR … more than 15 years, and we find that our extension improves the volatility models—both in sample and out of sample. For HAR …

objective is to provide a framework to model conditional volatility regarding the changes in the investor sentiment by measuring … the effect of noise trader demand shocks on the volatility of stock market indexes of the various countries. GARCH, TARCH …, and EGARCH models are used to test whether earning shocks have more influence on the conditional volatility in high …

Examinations of the dynamics of daily returns and volatility in stock markets of the US, Hong Kong and mainland China …

The study examines the return and volatility spillover among Asian stock markets in India, Hong Kong, Japan, China … bidirectional return, shock, and volatility spillover among most of the stock markets. The magnitude of volatility linkages is low … indicating weak integration of Asian stock markets. The study finds that own volatility spillover is higher than cross …