Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model

This paper studies the estimation and inference of a partially linear varying coefficient spatial autoregressive panel data model with fixed effects. By means of the basis function approximations and the instrumental variable methods, we propose a two-stage least squares estimation procedure to esti...

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Main Authors: Sanying Feng, Tiejun Tong, Sung Nok Chiu
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/11/22/4606
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author Sanying Feng
Tiejun Tong
Sung Nok Chiu
author_facet Sanying Feng
Tiejun Tong
Sung Nok Chiu
author_sort Sanying Feng
collection DOAJ
description This paper studies the estimation and inference of a partially linear varying coefficient spatial autoregressive panel data model with fixed effects. By means of the basis function approximations and the instrumental variable methods, we propose a two-stage least squares estimation procedure to estimate the unknown parametric and nonparametric components, and meanwhile study the asymptotic properties of the proposed estimators. Together with an empirical log-likelihood ratio function for the regression parameters, which follows an asymptotic chi-square distribution under some regularity conditions, we can further construct accurate confidence regions for the unknown parameters. Simulation studies show that the finite sample performance of the proposed methods are satisfactory in a wide range of settings. Lastly, when applied to the public capital data, our proposed model can also better reflect the changing characteristics of the US economy compared to the parametric panel data models.
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spelling doaj.art-654e98aaf78f4b2fad298c57a4fa491b2023-11-24T14:54:10ZengMDPI AGMathematics2227-73902023-11-011122460610.3390/math11224606Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data ModelSanying Feng0Tiejun Tong1Sung Nok Chiu2School of Mathematics and Statistics, Zhengzhou University, Zhengzhou 450001, ChinaDepartment of Mathematics, Hong Kong Baptist University, Hong KongDepartment of Mathematics, Hong Kong Baptist University, Hong KongThis paper studies the estimation and inference of a partially linear varying coefficient spatial autoregressive panel data model with fixed effects. By means of the basis function approximations and the instrumental variable methods, we propose a two-stage least squares estimation procedure to estimate the unknown parametric and nonparametric components, and meanwhile study the asymptotic properties of the proposed estimators. Together with an empirical log-likelihood ratio function for the regression parameters, which follows an asymptotic chi-square distribution under some regularity conditions, we can further construct accurate confidence regions for the unknown parameters. Simulation studies show that the finite sample performance of the proposed methods are satisfactory in a wide range of settings. Lastly, when applied to the public capital data, our proposed model can also better reflect the changing characteristics of the US economy compared to the parametric panel data models.https://www.mdpi.com/2227-7390/11/22/4606partially linear varying coefficient modelpanel dataspatial autoregressive modelinstrumental variabletwo-stage least squaresempirical likelihood
spellingShingle Sanying Feng
Tiejun Tong
Sung Nok Chiu
Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model
Mathematics
partially linear varying coefficient model
panel data
spatial autoregressive model
instrumental variable
two-stage least squares
empirical likelihood
title Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model
title_full Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model
title_fullStr Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model
title_full_unstemmed Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model
title_short Statistical Inference for Partially Linear Varying Coefficient Spatial Autoregressive Panel Data Model
title_sort statistical inference for partially linear varying coefficient spatial autoregressive panel data model
topic partially linear varying coefficient model
panel data
spatial autoregressive model
instrumental variable
two-stage least squares
empirical likelihood
url https://www.mdpi.com/2227-7390/11/22/4606
work_keys_str_mv AT sanyingfeng statisticalinferenceforpartiallylinearvaryingcoefficientspatialautoregressivepaneldatamodel
AT tiejuntong statisticalinferenceforpartiallylinearvaryingcoefficientspatialautoregressivepaneldatamodel
AT sungnokchiu statisticalinferenceforpartiallylinearvaryingcoefficientspatialautoregressivepaneldatamodel