Panel Data Estimation for Correlated Random Coefficients Models

This paper considers methods of estimating a static correlated random coefficient model with panel data. We mainly focus on comparing two approaches of estimating unconditional mean of the coefficients for the correlated random coefficients models, the group mean estimator and the generalized least...

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Main Authors: Cheng Hsiao, Qi Li, Zhongwen Liang, Wei Xie
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Econometrics
Subjects:
Online Access:https://www.mdpi.com/2225-1146/7/1/7
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author Cheng Hsiao
Qi Li
Zhongwen Liang
Wei Xie
author_facet Cheng Hsiao
Qi Li
Zhongwen Liang
Wei Xie
author_sort Cheng Hsiao
collection DOAJ
description This paper considers methods of estimating a static correlated random coefficient model with panel data. We mainly focus on comparing two approaches of estimating unconditional mean of the coefficients for the correlated random coefficients models, the group mean estimator and the generalized least squares estimator. For the group mean estimator, we show that it achieves Chamberlain (1992) semi-parametric efficiency bound asymptotically. For the generalized least squares estimator, we show that when <i>T</i> is large, a generalized least squares estimator that ignores the correlation between the individual coefficients and regressors is asymptotically equivalent to the group mean estimator. In addition, we give conditions where the standard within estimator of the mean of the coefficients is consistent. Moreover, with additional assumptions on the known correlation pattern, we derive the asymptotic properties of panel least squares estimators. Simulations are used to examine the finite sample performances of different estimators.
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spelling doaj.art-3d898dc0449241db89a01d68827795452022-12-22T04:20:08ZengMDPI AGEconometrics2225-11462019-02-0171710.3390/econometrics7010007econometrics7010007Panel Data Estimation for Correlated Random Coefficients ModelsCheng Hsiao0Qi Li1Zhongwen Liang2Wei Xie3Department of Economics, University of Southern California, Los Angeles, CA 90089, USADepartment of Economics, Texas A&amp;M University, College Station, TX 77843, USADepartment of Economics, University at Albany, SUNY, Albany, NY 12222, USADepartment of Economics, University of Southern California, Los Angeles, CA 90089, USAThis paper considers methods of estimating a static correlated random coefficient model with panel data. We mainly focus on comparing two approaches of estimating unconditional mean of the coefficients for the correlated random coefficients models, the group mean estimator and the generalized least squares estimator. For the group mean estimator, we show that it achieves Chamberlain (1992) semi-parametric efficiency bound asymptotically. For the generalized least squares estimator, we show that when <i>T</i> is large, a generalized least squares estimator that ignores the correlation between the individual coefficients and regressors is asymptotically equivalent to the group mean estimator. In addition, we give conditions where the standard within estimator of the mean of the coefficients is consistent. Moreover, with additional assumptions on the known correlation pattern, we derive the asymptotic properties of panel least squares estimators. Simulations are used to examine the finite sample performances of different estimators.https://www.mdpi.com/2225-1146/7/1/7panel datacorrelated random coefficientsefficiency bound
spellingShingle Cheng Hsiao
Qi Li
Zhongwen Liang
Wei Xie
Panel Data Estimation for Correlated Random Coefficients Models
Econometrics
panel data
correlated random coefficients
efficiency bound
title Panel Data Estimation for Correlated Random Coefficients Models
title_full Panel Data Estimation for Correlated Random Coefficients Models
title_fullStr Panel Data Estimation for Correlated Random Coefficients Models
title_full_unstemmed Panel Data Estimation for Correlated Random Coefficients Models
title_short Panel Data Estimation for Correlated Random Coefficients Models
title_sort panel data estimation for correlated random coefficients models
topic panel data
correlated random coefficients
efficiency bound
url https://www.mdpi.com/2225-1146/7/1/7
work_keys_str_mv AT chenghsiao paneldataestimationforcorrelatedrandomcoefficientsmodels
AT qili paneldataestimationforcorrelatedrandomcoefficientsmodels
AT zhongwenliang paneldataestimationforcorrelatedrandomcoefficientsmodels
AT weixie paneldataestimationforcorrelatedrandomcoefficientsmodels