Results 61 to 70 of about 1,408,945 (162)

Dinámicas del tipo de cambio nominal y del IPCc, 1991-2014: una especificación que combina los modelos ARFIMA y GARCH

open access: yesEconomía Teoría y Práctica, 2016
En este trabajo se utilizan los modelos arfima y garch, así como combinaciones de ellos para detectar algún tipo de memoria en el tipo de cambio nominal usd-mxn y el Índice de Precios y Cotizaciones de la Bolsa Mexicana de Valores durante el periodo 1991-
Héctor F. Salazar-Núñez   +1 more
doaj  

Regime switching GARCH models [PDF]

open access: yes
We develop univariate regime-switching GARCH (RS-GARCH) models wherein the conditional variance switches in time from one GARCH process to another. The switching is governed by a time-varying probability, specified as a function of past information.
Luc, BAUWENS   +2 more
core  

Neural Networks for Financial Time Series Forecasting. [PDF]

open access: yesEntropy (Basel), 2022
Sako K, Mpinda BN, Rodrigues PC.
europepmc   +1 more source

Wake me up before you GO-GARCH [PDF]

open access: yes
In this paper we present a new three-step approach to the estimation of Generalized Orthogonal GARCH (GO-GARCH) models, as proposed by van der Weide (2002).
Boswijk, H.P., Weide, R. van der
core  

Estimation of tail thickness parameters from GJR-GARCH models [PDF]

open access: yes, 2009
We propose a method of estimating the Pareto tail thickness parameter of the unconditional distribution of a financial time series by exploiting the implications of a GJR-GARCH volatility model.
Iglesias, Emma M.   +2 more
core   +1 more source

A análise da volatilidade do índice PSI-20 baseada modelos ARCH e GARCH [PDF]

open access: yesPortuguese Journal of Management Studies, 2003
A volatilidade desempenha um papel importante na avaliação dos activos financeiros, daí que proliferem na literatura estudos com vista a sua especificação e medida. Existem várias técnicas para a estimação da volatilidade sendo a volatilidade determinística uma das mais utilizadas.
Elisabete Mendes Duarte   +1 more
openaire   +1 more source

Multimodality and the GARCH Likelihood [PDF]

open access: yes
We investigate several aspects of GARCH models which are relevant for empirical applications. In particular, we note that the inclusion of a dummy variable as regressor can lead to multimodality in the GARCH likelihood.
Jurgen A. Doornik, Marius Ooms
core  

An exponential continuous time GARCH process [PDF]

open access: yes, 2006
In this paper we introduce an exponential continuous time GARCH(p,q) process. It is defined in such a way that it is a continuous time extension of the discrete time EGARCH(p,q) process. We investigate stationarity and moment properties of the new model.
Haug, Stephan   +3 more
core   +1 more source

Forecasting of exported volume for brazilian fruits by time series analysis: an arima/garch approach

open access: yesRevista Produção Online, 2015
The aim of this paper was to offer econometric forecasting models to the Brazilian exported volume fruits, with a view to assisting the planning and production control, also motivated by the existence of a few published papers dealing with this issue. In
Abdinardo Moreira Barreto de Oliveira   +1 more
doaj   +1 more source

Multimodality in the GARCH Regression Model [PDF]

open access: yes
Several aspects of GARCH(p,q) models that are relevant for empirical applications are investigated. In particular, it is noted that the inclusion of dummy variables as regressors can lead to multimodality in the GARCH likelihood.
Jurgen A. Doornik, Marius Ooms
core  

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