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Estimating VAR-MGARCH models in multiple steps

Estimating VAR-MGARCH models in multiple steps Abstract This paper analyzes the performance of multiple steps estimators of vector autoregressive multivariate conditional correlation GARCH models by means of Monte Carlo experiments. We show that if innovations are Gaussian, estimating the parameters in multiple steps is a reasonable alternative to the maximization of the full likelihood function. Our results also suggest that for the sample sizes usually encountered in financial econometrics, the differences between the volatility and correlation estimates obtained with the more efficient estimator and the multiple steps estimators are negligible. However, when innovations are distributed as a Student-t, using multiple steps estimators might not be a good idea. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Studies in Nonlinear Dynamics & Econometrics de Gruyter

Estimating VAR-MGARCH models in multiple steps

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Publisher
de Gruyter
Copyright
Copyright © 2014 by the
ISSN
1081-1826
eISSN
1558-3708
DOI
10.1515/snde-2012-0065
Publisher site
See Article on Publisher Site

Abstract

Abstract This paper analyzes the performance of multiple steps estimators of vector autoregressive multivariate conditional correlation GARCH models by means of Monte Carlo experiments. We show that if innovations are Gaussian, estimating the parameters in multiple steps is a reasonable alternative to the maximization of the full likelihood function. Our results also suggest that for the sample sizes usually encountered in financial econometrics, the differences between the volatility and correlation estimates obtained with the more efficient estimator and the multiple steps estimators are negligible. However, when innovations are distributed as a Student-t, using multiple steps estimators might not be a good idea.

Journal

Studies in Nonlinear Dynamics & Econometrics – de Gruyter

Published: May 1, 2014

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