Estimation of the parameters of symmetric stable ARMA and ARMA–GARCH models

Aastha M. Sathe and N. S. Upadhye

Journal of Applied Statistics, 2022, vol. 49, issue 11, 2964-2980

Abstract: In this article, we first propose the modified Hannan–Rissanen Method for estimating the parameters of autoregressive moving average (ARMA) process with symmetric stable noise and symmetric stable generalized autoregressive conditional heteroskedastic (GARCH) noise. Next, we propose the modified empirical characteristic function method for the estimation of GARCH parameters with symmetric stable noise. Further, we show the efficiency, accuracy and simplicity of our methods with Monte-Carlo simulation. Finally, we apply our proposed methods to model the financial data.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:taf:japsta:v:49:y:2022:i:11:p:2964-2980

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DOI: 10.1080/02664763.2021.1928019

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