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conditional heteroskedasticity (GARCH) model is used to identify the magnitude and significance of mean and volatility spillovers … of strong ARCH and GARCH effects. Contrary to evidence from studies in North American electricity markets, the results …
Persistent link: https://www.econbiz.de/10009437450
This study employs an extended version of the Generalised Autoregressive Conditional Heteroskedasticity in Mean (GARCH …
Persistent link: https://www.econbiz.de/10009437451
We use the All Ordinaries Index and the corresponding Share Price Index futures contract written against the All Ordinaries Index to estimate optimal hedge ratios, adopting several specifications: an ordinary least squares-based model, a vector autoregression, a vector error-correction model...
Persistent link: https://www.econbiz.de/10009440863
on Giamouridis and Vrontos (2007), a broad set of multivariate GARCH models, as well as, the simpler exponentially … weighted moving average (EWMA) estimator of RiskMetrics (1996) are considered. It is found that, while multivariate GARCH … of range, regime switching, nonlinear filtration, and GARCH frameworks. Any incremental improvement in the performance of …
Persistent link: https://www.econbiz.de/10009440952
-persistence to occur in the multivariate linear GARCH model are presented. These conditions parallel the conditions for linear co …
Persistent link: https://www.econbiz.de/10009475524
This study proposes an extension to the inflation targeting framework for Poland that takes into consideration the exchange rate stability constraints imposed by the obligatory participation in the ERM2 on the path to the euro. The modified policy framework is based on targeting the differential...
Persistent link: https://www.econbiz.de/10009476869
(Baltijos Šalys). Pirmojoje darbo dalyje išnagrinėti apibendrinti autoregresiniai sąlyginio heteroskedastiškumo modeliai (GARCH …), kurie dažniausiai yra taikomi nestacionarių laiko eilučių prognozavimui. Aptarta GARCH metodologija, pateikiami netiesinių … GARCH modelių pavyzdžiai. Taip pat išanalizuoti metodai, kuriais remiantis galime spręsti apie pasirinkto prognozavimo …
Persistent link: https://www.econbiz.de/10009478751
participants, different currency instruments traded, and a 24 hour timeframe. Statistical approaches such as ARIMA and GARCH models ….0 statistical package. 8 ARIMA and 8 GARCH variants were estimated for each currency pair. Models with at least one statistically …, out-of-sample forecasting was carried out for USD/EUR and GBP/JPY currency pairs. Forecasting results show that GARCH …
Persistent link: https://www.econbiz.de/10009478870
Keliami uždaviniai: GARCH modelių klasės taikymas ilgo periodo finansiniams duomenims: modelių parametrų paieška, jų … finansinių laiko eilučių. Viena modelių klasė, kuri atvaizduoja šį elgesį yra vadinama Dalinai Integruotu GARCH (Baillie …, Bollerslev ir Mikkelsen 1996). Dalinės integracijos idėją pateikė ir ją pritaikė GARCH struktūrai Granger (1980) ir Hosking (1981 …
Persistent link: https://www.econbiz.de/10009479019
Despite the fact that there is a substantial literature on the analysis of volatility spillovers between stock returns and domestic exchange rates, surprisingly, little empirical research has examined volatility spillovers between oil prices and emerging economies, where a clear gap of research...
Persistent link: https://www.econbiz.de/10009446192