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Journal Articles International Economics Year : 2019

The accuracy of asymmetric GARCH model estimation

Amélie Charles
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Abstract

This paper reviews eight software packages when estimating asymmetric GARCH models (from their default option). We consider the numerical consistency of GJR-GARCH, TGARCH, EGARCH and APARCH estimations with Normal and Student distributions as well as out-of-sample forecasting accuracy, using the model confidence set procedure. We show that results are clearly software-dependent for both asymmetric volatility models, especially for the t-ratios. The out-of-sample forecast results show that the differences in estimating symmetric and asymmetric GARCH models imply slight differences in terms of forecast accuracy, not statistically significant, except in few cases from the QLIKE loss function. Further, the results indicate that the different specifications of the asymmetric GARCH-type models used by the different packages appear to have no significant effect on their forecast accuracy.
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Dates and versions

hal-01943883 , version 1 (28-12-2020)

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Amélie Charles, Olivier Darné. The accuracy of asymmetric GARCH model estimation. International Economics, 2019, 157, pp.179-202. ⟨10.1016/j.inteco.2018.11.001⟩. ⟨hal-01943883⟩
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