Method of moments estimation of GO-GARCH models

H. Peter Boswijk () and Roy van der Weide ()

Journal of Econometrics, 2011, vol. 163, issue 1, 118-126

Abstract: We propose a new estimation method for the factor loading matrix in generalized orthogonal GARCH (GO-GARCH) models. The method is based on eigenvectors of suitably defined sample autocorrelation matrices of squares and cross-products of returns. The method is numerically more attractive than likelihood-based estimation. Furthermore, the new method does not require strict assumptions on the volatility models of the factors, and therefore is less sensitive to model misspecification. We provide conditions for consistency of the estimator, and study its efficiency relative to maximum likelihood estimation using Monte Carlo simulations. The method is applied to European sector returns.

Keywords: Multivariate; GARCH; Factor; models; Method; of; moments; Common; principal; components (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (35)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:163:y:2011:i:1:p:118-126

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