M-ESTIMATION IN GARCH MODELS

Kanchan Mukherjee

Econometric Theory, 2008, vol. 24, issue 06, pages 1530-1553

Abstract: This paper derives asymptotic normality of a class of M-estimators in the generalized autoregressive conditional heteroskedastic (GARCH) model. The class of estimators includes least absolute deviation and Huber's estimator in addition to the well-known quasi maximum likelihood estimator. For some estimators, the asymptotic normality results are obtained only under the existence of fractional unconditional moment assumption on the error distribution and some mild smoothness and moment assumptions on the score function.

Date: 2008

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Persistent link: http://EconPapers.repec.org/RePEc:cup:etheor:v:24:y:2008:i:06:p:1530-1553_08

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