Showing 1 - 10 of 11,654
Estimation of GARCH models can be simplified by augmenting quasi-maximum likelihood (QML) estimation with variance … volatility equation and corresponding value-at-risk predictions. We find that most GARCH coefficients and associated predictions …
Persistent link: https://www.econbiz.de/10011410634
(GARCH) models, of differing lag and parameter terms, to forecast the variance of the market used in the denominator of the … squared forecast error (MSE) were used to compare the forecasting ability of the ex-ante GARCH models, Artificial Neural …
Persistent link: https://www.econbiz.de/10011526799
error distribution were incorporated in the GARCH (2,1) and EGARCH (2,1) models. Result reveals that day-of-the-week effects …
Persistent link: https://www.econbiz.de/10011471089
This paper attempts to fit the best Generalized Autoregressive Conditional Heteroscedastic (GARCH) model for All Share … Index (ASI) of Nigerian Stock Exchange (NSE) returns. A search is made on various GARCH variants specified on the … and non-normality of GARCH innovations, with models and forecasts evaluated using information criteria and loss functions …
Persistent link: https://www.econbiz.de/10011474661
This paper examines exchange-rate volatility with GARCH models using monthly exchange-rate return series from 1985:1 to … compare estimates of variants of GARCH models with break in respect of the US dollar rates with exogenously determined break … estimation of volatility models with breaks as against those of GARCH models without volatility breaks and that the introduction …
Persistent link: https://www.econbiz.de/10011476095
nonlinear volatility models (symmetric and asymmetric Generalized AutoRegressive Conditional Heteroskedasticity [GARCH …
Persistent link: https://www.econbiz.de/10012131511
-day periods are considered. It is studies whether the same GARCH type model can be applied for the whole period, or whether the …
Persistent link: https://www.econbiz.de/10012062467
Heteroskedasticity (ARCH) effects existence. For this reason Generalized GARCH models are estimated. Two approaches are followed. The … higher seasonality in volatility rather on average returns. For this reason the Periodic-GARCH (1,1) is estimated. The …
Persistent link: https://www.econbiz.de/10010509192
Smooth Transition GARCH and the Markov-Switching GARCH models. Simulation experiments reveal that information criteria and …
Persistent link: https://www.econbiz.de/10011297653
-Maximum Likelihood Estimator for a general nonlinear conditional mean model with first-order GARCH errors. …
Persistent link: https://www.econbiz.de/10011865378