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Turkish stock market. The GARCH framework is utilized to investigate the impact of firm-specific public news announcements on …
Persistent link: https://www.econbiz.de/10010612800
financial time series and use it to improve the short-term forecasts from GARCH models. We study different generalizations of … GARCH that allow for several time scales. On our holding sample, none of the considered models can fully exploit the …
Persistent link: https://www.econbiz.de/10005062571
We examine the dynamic behavior of Equity Real Estate Investment Trust (EREIT) volatility in a GARCH context 1972 …
Persistent link: https://www.econbiz.de/10005680573
. After showing that the expectation of the sum of the estimates of the autoregressive coefficients of a GARCH(1,1) model is …
Persistent link: https://www.econbiz.de/10005119104
Financial market participants and policy-makers can benefit from a better understanding of how shocks can affect volatility over time. This study assesses the impact of structural changes and outliers on volatility persistence of three crude oil markets - Brent, West Texas Intermediate (WTI) and...
Persistent link: https://www.econbiz.de/10010558719
of volatility decay. Generalised autoregressive conditional heteroscedaticity (GARCH) and GARCH-in-mean (GARCH-M) models …
Persistent link: https://www.econbiz.de/10011207784
The new information and communication technology, ICT, induces households to take over tasks from firms and government agencies, using tools and systems provided by these very same organizations. The result is often joint production activities. We argue that the importance of ICT for the...
Persistent link: https://www.econbiz.de/10005181571
This paper investigates the validation of the Mixture of Distributions Hypothesis (MDH) using trading volume and number … TGARCH. The findings provide strong evidence for the validity of the MDH for the Saudi market. Volatility persistence …, interacting with volatility in a manner anticipated under the MDH. This can be attributed to unique characteristic of the Saudi …
Persistent link: https://www.econbiz.de/10011115493
The empirical evidence behind the dynamics of high frequency based measures of volatility is that they exhibit persistence and at times abrupt changes in the average level by subperiods. In the past ten years this pattern has a clear interpretation in reference to the dot com bubble, the quiet...
Persistent link: https://www.econbiz.de/10010860667
Realized volatility of financial time series generally shows a slow–moving average level from the early 2000s to recent times, with alternating periods of turmoil and quiet. Modeling such a pattern has been variously tackled in the literature with solutions spanning from long–memory, Markov...
Persistent link: https://www.econbiz.de/10010862522