Variable selection for semiparametric varying-coefficient spatial autoregressive models with a diverging number of parameters

Guowang Luo and Mixia Wu

Communications in Statistics - Theory and Methods, 2021, vol. 50, issue 9, 2062-2079

Abstract: In this article, we consider variable selection in semiparametric varying-coefficient spatial autoregressive models with a diverging number of parameters. With the nonparametric functions approximated by B-spline basis functions and combining 2SLS method with the SCAD penalty, we propose a variable selection procedure. Under mild conditions, we establish the consistency and oracle property of the resulting estimators for parameter components and consistency of the regularized estimator for nonparametric component. Some simulation studies are conducted to assess the finite sample performance of the proposed variable selection procedure, and the developed methodology is illustrated by an analysis of the Boston housing price data.

Date: 2021
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Citations: View citations in EconPapers (2)

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DOI: 10.1080/03610926.2019.1659367

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