-AGARCH) model to examine both return and volatility spillovers from the USA (developed) and China (Emerging) towards eight emerging … calculate the optimal weights and hedge ratios for the stock portfolios. Our results reveal that both return and volatility … volatility was transmitted from the USA to the majority of the Asian stock markets during the Chinese stock market crash …

This study uses the BEKK-GARCH model to examine the return-and-volatility spillover between the world-leading markets … during the global financial crisis and the crash of the Chinese stock market. Regarding volatility spillover, the results … show the bidirectional volatility transmission between the US and the stock markets of Chile and Mexico during the global …

This study aims to investigate the dynamic conditional correlation and volatility spillover between the conventional …) approaches to investigate dynamic conditional correlation and volatility spillover between conventional and Islamic stock markets … for a specific time horizon and present time-varying volatility and dynamic conditional correlation, while volatility …

We discuss the empirical importance of long term cyclical effects in the volatility of financial returns. Following … existence of significant long term cyclical patterns in volatility with a strongly supported periodic component corresponding to … US economy and long term changes in the volatility of the basic stock market index …

can generate a plausible disaggregation of the conditional variance process, in which the components' volatility dynamics …

volatility of Borsa Istanbul 100 Index (BIST-100). Sample data cover the period from January 2008 to December 2017. The main … nonlinear volatility models (symmetric and asymmetric Generalized AutoRegressive Conditional Heteroskedasticity [GARCH …]-type models) were used to model and estimate BIST-100 volatility in response to political news. The findings of the paper …

This study examines the determinants of time-varying return volatility of Africa's equity markets using monthly indices … of eight top African stock markets. The conditional variance is modelled as a proxy for Africa's volatility indices using … volatility, the least squares dummy variable bias correction (LSDVC) model is employed. The study finds that volatility of …

This study examines the determinants of time-varying return volatility of Africa's equity markets using monthly indices … of eight top African stock markets. The conditional variance is modelled as a proxy for Africa's volatility indices using … volatility, the least squares dummy variable bias correction (LSDVC) model is employed. The study finds that volatility of …

This paper examines time-varying stock price and volatility dynamics of constituent industry sector indices in the … of return during rises in aggregate stock market volatility. Finally, this paper identifies which industries exhibit the … highest degree of volatility persistence and how this impacts their respective beta estimates. It shows time-dependence in …