نتایج جستجو برای: Markov Switching GARCH

تعداد نتایج: 144983  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و فرهنگ - دانشکده مهندسی 1391

هدف این پژوهش به کارگیری skew-normal (sn) markov-switching(ms) garch جهت لحاظ نمودن چولگی در توزیع سریهای زمانی مالی است. انگیزه اصلی بیان این مدل آن است که روش متداول برای در نظر گرفتن عدم تقارن در مدل های normal(n) ms garch یعنی اضافه نمودن میانگین رژیم ها به مدل، منجر به ایجاد بازده های خود همبسته می گردد که امری نامطلوب است. جهت یک مقایسه کامل ، تمامی حالات ممکن مدل های sn ms garch و n ms g...

2014
Ana María Herrera Liang Hu Daniel Pastor

We use high-frequency intra-day realized volatility to evaluate the relative forecasting performance of several models for the volatility of crude oil daily spot returns. Our objective is to evaluate the predictive ability of time-invariant and Markov switching GARCH models over different horizons. Using Carasco, Hu and Ploberger (2014) test for regime switching in the mean and variance of the ...

2008

We develop a multivariate generalization of the Markov–switching GARCH model introduced by Haas, Mittnik, and Paolella (2004b) and derive its fourth– moment structure. An application to international stock markets illustrates the relevance of accounting for volatility regimes from both a statistical and economic perspective, including out–of–sample portfolio selection and computation of Value– ...

2007
Luc Bauwens Arie Preminger Jeroen V.K. Rombouts

We develop a Markov-switching GARCH model (MS-GARCH) wherein the conditional mean and variance switch in time from one GARCH process to another. The switching is governed by a hidden Markov chain. We provide sufficient conditions for geometric ergodicity and existence of moments of the process. Because of path dependence, maximum likelihood estimation is not feasible. By enlarging the parameter...

2007
Luc Bauwens Arie Preminger Jeroen V.K. Rombouts

We develop a Markov-switching GARCH model (MS-GARCH) wherein the conditional mean and variance switch in time from one GARCH process to another. The switching is governed by a hidden Markov chain. We provide sufficient conditions for geometric ergodicity and existence of moments of the process. Because of path dependence, maximum likelihood estimation is not feasible. By enlarging the parameter...

2006
Ari Abramson Israel Cohen

GARCH models with Markov-switching regimes are often used for volatility analysis of …nancial time series. Such models imply less persistence in the conditional variance than the standard GARCH model, and potentially provide a signi…cant improvement in volatility forecast. Nevertheless, conditions for asymptotic wide-sense stationarity have been derived only for some degenerated models. In this...

Journal: :Computational Statistics & Data Analysis 2008
Christian Francq Jean-Michel Zakoian

A procedure is proposed for computing the autocovariances and the ARMA representations of the squares, and higher-order powers, of Markov-switching GARCH models. It is shown that many interesting subclasses of the general model can be discriminated in view of their autocovariance structures. Explicit derivation of the autocovariances allows for parameter estimation in the general model, via a G...

Journal: :Journal of Business & Economic Statistics 2023

This paper introduces a new model for panel data with Markov-switching GARCH effects. The incorporates series-specific hidden Markov chain process that drives the parameters. To cope high-dimensionality of parameter space, exploits cross-sectional clustering series by first assuming soft pooling through hierarchical prior distribution two-step procedure, and then introducing effects in space no...

Journal: :Indonesian Journal of Electrical Engineering and Computer Science 2020

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