• No results found

Parameter Estimation in the GARCH Model

Parameter Estimation in Nonlinear AR-GARCH Models

Parameter Estimation in Nonlinear AR-GARCH Models

... asymptotic estimation theory is not hampered by nonstationary initial values (see Kristensen and Rahbek ...standard GARCH model this is quite straightforward in the linear ARMA–GARCH ...

62

Multivariate Robust Estimation of DCC-GARCH Volatility Model.

Multivariate Robust Estimation of DCC-GARCH Volatility Model.

... volatility parameter estimation in the more diversified set of ...DCC- GARCH on either of the correlation parameters under this second initial correlation ...correlation parameter estimates of ...

124

Parameter estimation and model fitting of stochastic processes

Parameter estimation and model fitting of stochastic processes

... (GARCH) Model has been a popular and essential tool in modelling volatility, we study two types of multivariate GARCH model, the Constant Correlation and Dynamic Conditional Correlation ...

164

Parameters estimation for GARCH (p,q) model: QL and AQL approaches

Parameters estimation for GARCH (p,q) model: QL and AQL approaches

... paper, estimation for the generalized autoregressive conditional heteroscedasticity (GARCH) model is ...(AQL) estimation methods are suggested in this ...for parameter estimation ...

15

Garch Parameter Estimation Using High Frequency Data

Garch Parameter Estimation Using High Frequency Data

... Introduction Garch models based on close-to-close daily returns do quite well in describing financial volatil- ity, but they seem incompatible with intraday high-frequency data at first ...time model for ...

33

Garch Parameter Estimation Using High-Frequency Data

Garch Parameter Estimation Using High-Frequency Data

... based on H n . Its proof is based on the likelihood theory in Straumann and Mikosch (2006). A similar estimation theory may be developed using the log proxies, log(H n ). The estimators are applied to the four ...

33

A Simplified Approach to Estimating Parameter of the GARCH (1,1) Model

A Simplified Approach to Estimating Parameter of the GARCH (1,1) Model

... of parameter estimation of the GARCH (1,1) ...This estimation problem involves computing the parameter estimates by maximizing the log-likelihood ...

6

Bayesian Estimation of the GARCH(1,1) Model with Student-t Innovations

Bayesian Estimation of the GARCH(1,1) Model with Student-t Innovations

... Marginal posterior densities are displayed in Fig- ure 3. We clearly notice the asymmetric shape of the histograms; this is especially true for parameter ν. This is also reflected by the differences between the ...

7

Bayesian estimation of the GARCH(1,1) model with Student t innovations

Bayesian estimation of the GARCH(1,1) model with Student t innovations

... Marginal posterior densities are displayed in Fig- ure 3. We clearly notice the asymmetric shape of the histograms; this is especially true for parameter ν. This is also reflected by the differences between the ...

8

M estimation in GARCH models

M estimation in GARCH models

... a GARCH~1,1! model of ~1+1! and ~1+2! R times ~replication! and computed the QMLE, LAD, and Huber’s estimates with k ⫽ 1+5 for each replication+ We use variants of the iteratively weighted least squares ...

24

Fourier--type estimation of the power garch model with stable--paretian innovations

Fourier--type estimation of the power garch model with stable--paretian innovations

... SP parameter has a standard asymptotic distribu- tion and enjoys an adaptiveness property with respect to the GARCH ...the estimation procedure to multivariate SP–PGARCH models, while in Section 6 ...

30

Fourier--type estimation of the power garch model with stable--paretian innovations

Fourier--type estimation of the power garch model with stable--paretian innovations

... SP parameter has a standard asymptotic distribu- tion and enjoys an adaptiveness property with respect to the GARCH ...the estimation procedure to multivariate SP–PGARCH models, while in Section 6 ...

30

Fourier  type estimation of the power garch model with stable  paretian innovations

Fourier type estimation of the power garch model with stable paretian innovations

... SP parameter has a standard asymptotic distribu- tion and enjoys an adaptiveness property with respect to the GARCH ...the estimation procedure to multivariate SP–PGARCH models, while in Section 6 ...

30

Least squares estimation for GARCH (1,1) model with heavy tailed errors

Least squares estimation for GARCH (1,1) model with heavy tailed errors

... Remark 8 : When the fourth order moment is assumed to be finite, the GQMLE is √ n consistent for the true parameter values. However, in the presence of extreme non-normality, this estimator can fail to produce ...

41

Estimation of the volatility parameter in value at risk (VaR) model

Estimation of the volatility parameter in value at risk (VaR) model

... Lühikokkuvõte. Finantsanalüüsis on üks kõige sagedamini kasutatavaid vahendeid tu­ ruriski hindamiseks nn riski all olev väärtus (VaR ­ Value at Risk). Ehkki see on intuiti­ ivselt lihtne mõõdik, võib selle aluseks oleva ...

49

Parameter estimation for a model of

Parameter estimation for a model of

... each model. In all cases, the bvt model gives the best fit, followed by the spt and Langmuir models, the latter providing the poorest fit for two of the three ...bvt model may in general be ...

17

A New Asymmetric GARCH Model: Testing, Estimation and Application

A New Asymmetric GARCH Model: Testing, Estimation and Application

... (ARCH) model has been an important tool for estimating the time- varying volatility as a measure of ...this model have been put forward in the ...the model can be estimated by using the maximum ...

11

Bayesian Estimation of the GARCH(1,1) Model with Normal Innovations

Bayesian Estimation of the GARCH(1,1) Model with Normal Innovations

... the estimation of the Bayesian GARCH(1,1) model with Nor- mal ...The GARCH(1,1) model has been applied to foreign exchange log-returns time series and comparison with the traditional ...

14

Parameter Identifiability and Parameter Estimation of a Diesel Engine Combustion Model

Parameter Identifiability and Parameter Estimation of a Diesel Engine Combustion Model

... Wiebe model combustion with double phases has been ...observations. Estimation of higher derivatives from noisy data is a numerical ill-posed ...this estimation is used as initial guess for a local ...

7

Mathematical Model and Parameter Estimation for Tumor Growth

Mathematical Model and Parameter Estimation for Tumor Growth

... 5.3 Analysis In this section, we compare the results for each method and discuss the benefits and potential problems of each method as well as initial guess selection. Firstly, let us discuss about the efficiency of ...

82

Show all 10000 documents...

Related subjects