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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 …
Persistent link: https://www.econbiz.de/10013499116
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 …
Persistent link: https://www.econbiz.de/10014501248
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 …
Persistent link: https://www.econbiz.de/10013053876
study we investigate the mean-volatility spillover effects that happen across international stock markets. The study, by … taking into consideration the stock market returns based on various indices, investigates the mean-volatility spillover … precise and separate measures of return spillovers and volatility spillovers. The analysis provides the evidence of strong …
Persistent link: https://www.econbiz.de/10011872506
Daily financial market returns (as log difference in closing prices) may be quite sensitive to operation with low trading volumes and big changes in prices frequently traded at market closing times. This paper proposes a more robust estimation of market returns by providing a new indicator that...
Persistent link: https://www.econbiz.de/10003481783
We employ a wavelet approach and conduct a time-frequency analysis of dynamic correlations between pairs of key traded assets (gold, oil, and stocks) covering the period from 1987 to 2012. The analysis is performed on both intra-day and daily data. We show that heterogeneity in correlations...
Persistent link: https://www.econbiz.de/10010515402
Financial market volatility is an important element when setting up port- folio management strategies, option pricing … bigger impact on stock market volatility, namely at sensitivity, persistence and asymmetric effects. …
Persistent link: https://www.econbiz.de/10011306093
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 …
Persistent link: https://www.econbiz.de/10009673686
Examinations of the dynamics of daily returns and volatility in stock markets of the US, Hong Kong and mainland China …
Persistent link: https://www.econbiz.de/10011296721
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 …
Persistent link: https://www.econbiz.de/10012890259