Estimating GARCH-type models with symmetric stable innovations: Indirect inference versus maximum likelihood
Estimating GARCH-type models with symmetric stable innovations: Indirect inference versus maximum likelihood
复制标题
估计具有对称稳定创新的 GARCH 型模型:间接推理与最大似然
DOI:
10.1016/j.csda.2013.07.028
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
A. Parrini
中科院分区:
文献类型:
--
作者:
Calzolari;R. Halbleib;A. Parrini
Financial returns exhibit conditional heteroscedasticity, asymmetric responses of their volatility to negative and positive returns (leverage effects) and fat tails. The α-stable distribution is a natural candidate for capturing the tail-thickness of the conditional distribution of financial returns, while the GARCH-type models are very popular in depicting the conditional heteroscedasticity and leverage effects. However, practical implementation of α-stable distribution in finance applications has been limited by its estimation difficulties. The performance of the indirect inference approach using GARCH models with Student’s t distributed errors as auxiliary models is compared to the maximum likelihood approach for estimating GARCH-type models with symmetric α-stable innovations. It is shown that the expected efficiency gains of the maximum likelihood approach come at high computational costs compared to the indirect inference method.
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