Robust Two-Stage Estimation in General Spatial Dynamic Panel Data Models

DING Hao, JIN Baisuo, WU Yuehua

Journal of Systems Science & Complexity ›› 2023, Vol. 36 ›› Issue (6) : 2580-2604.

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Journal of Systems Science & Complexity ›› 2023, Vol. 36 ›› Issue (6) : 2580-2604. DOI: 10.1007/s11424-023-2172-2

Robust Two-Stage Estimation in General Spatial Dynamic Panel Data Models

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Abstract

This paper proposes a robust two-stage estimation procedure for a general spatial dynamic panel data model in light of the two-stage estimation procedure in Jin, et al. (2020). The authors replace the least squares estimation in the first stage of Jin, et al. (2020) by M-estimation. The authors also provide the justification for not making any change in its second stage when the number of time periods is large enough. The proposed methodology is robust and efficient, and it can be easily implemented. In addition, the authors study the limiting behavior of the parameter estimators, which are shown to be consistent and asymptotic normally distributed under some conditions. Extensive simulation studies are carried out to assess the proposed procedure and a COVID-19 data example is conducted for illustration.

Key words

Asymptotic normality / consistency / M-estimation / model selection / outliers

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DING Hao , JIN Baisuo , WU Yuehua. Robust Two-Stage Estimation in General Spatial Dynamic Panel Data Models. Journal of Systems Science and Complexity, 2023, 36(6): 2580-2604 https://doi.org/10.1007/s11424-023-2172-2

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Funding

This research was supported by the Natural Sciences and Engineering Research Council of Canada under Grant No. RGPIN-2017-05720, the National Natural Science Foundation under Grant Nos. 12201601, 71873128, 11571337, 71631006, and 71921001, the Anhui Provincial Natural Science Foundation under Grant No. 2208085QA06.
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