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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 …
Persistent link: https://www.econbiz.de/10013007872
. According to the results, bear periods have higher volatility persistency than bull periods. …
Persistent link: https://www.econbiz.de/10010470512
In this study, the performance of the Multifractal Model of Asset Returns (MMAR) was examined for stock index returns of four emerging markets. The MMAR, which takes into account stylized facts of financial time series, such as long memory, fat tails and trading time, was developed as an...
Persistent link: https://www.econbiz.de/10011474619
This paper generalizes the ACD models of Engle and Russell (1998) using the so-called q-Weibull distribution as the conditional distribution. The new specification allows the hazard function to be non-monotonic. We document that the q-Weibull distribution recently suggested in physics as a...
Persistent link: https://www.econbiz.de/10013118929
best market gains come at the start of a bull market. Volatility increases with duration in bear markets. Allowing … volatility to vary with duration captures volatility clustering …This article uses a Markov-switching model that incorporates duration dependence to capture nonlinear structure in both …
Persistent link: https://www.econbiz.de/10014359341
Persistent link: https://www.econbiz.de/10011647922
Persistent link: https://www.econbiz.de/10012129029
In this paper, we used the GARCH (1,1) and GARCH-M (1,1) models to investigate volatility and persistence at daily … persistence of volatility, meaning that the conditional volatility tends to revert faster to the long-term mean than the other … statistically significant and positive (thus confirming the hypothesis that an increase in volatility leads an increase in future …
Persistent link: https://www.econbiz.de/10011964941
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 …
Persistent link: https://www.econbiz.de/10011903723