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This paper examines the volatility of banks equity weekly returns for six banks (coded B1 to B6) using GARCH models … in Student’s t-distribution are adjudged the best volatility models for B2 and B3 respectively. The study recommends that … in modelling stock market volatility, variants of GARCH models and alternative error distribution should be considered …
Persistent link: https://www.econbiz.de/10011843494
studyanalyzes the stock market volatility in three distinct regimes (accumulation or distri-bution - regime 1; big-move - regime 2 …
Persistent link: https://www.econbiz.de/10012513279
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
This paper uses R/S analysis and fractional integration techniques to examine the persistence of two sets of 12 ESG and conventional stock price indices from the MSCI database over the period 2007-2020 for a large number of both developed and emerging markets. Both sets of results imply that...
Persistent link: https://www.econbiz.de/10012520863
volatility índices (namely the originally created RTSVX and the new RVI that has replaced it), using daily data over the period … assumed to follow a white noise or autocorrelated process, it is confirmed by the rolling window estimation, and it holds for …
Persistent link: https://www.econbiz.de/10011903723
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
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 …
Persistent link: https://www.econbiz.de/10012131511
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 …
Persistent link: https://www.econbiz.de/10011489480
We examine the performance of volatility models that incorporate features such as long (short) memory, regime …-t). Second, we perform a comprehensive panel forecasting analysis of the MSM models as well as other competing volatility models … (GMM) estimation are both suitable for MSM-t models, (ii) empirical panel forecasts of MSM-t models show an improvement …
Persistent link: https://www.econbiz.de/10003864486
-of-the-week effects in returns and volatility using the Nigerian stock exchange (NSE-30). The Gaussian, Student-t, and the Generalized … are sensitive to error distribution. Our finding also shows that evidence of good or bad news in volatility does not only …
Persistent link: https://www.econbiz.de/10011471089