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Main Authors: Hahn, Jinyong, Liao, Zhipeng, Menzel, Konrad, Vuong, Quang
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2601.22354
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author Hahn, Jinyong
Liao, Zhipeng
Menzel, Konrad
Vuong, Quang
author_facet Hahn, Jinyong
Liao, Zhipeng
Menzel, Konrad
Vuong, Quang
contents This paper generalizes the classical Vuong (1989) test to panel data models by employing modified profile likelihoods and the Kullback-Leibler information criterion. Unlike the standard likelihood function, the profile likelihood lacks certain regular properties, making modification necessary. We adopt a generalized panel data framework that incorporates group fixed effects for time and individual pairs, rather than traditional individual fixed effects. Applications of our approach include linear models with non-nested specifications of individual-time effects.
format Preprint
id arxiv_https___arxiv_org_abs_2601_22354
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Model Selection in Panel Data Models: A Generalization of the Vuong Test
Hahn, Jinyong
Liao, Zhipeng
Menzel, Konrad
Vuong, Quang
Econometrics
This paper generalizes the classical Vuong (1989) test to panel data models by employing modified profile likelihoods and the Kullback-Leibler information criterion. Unlike the standard likelihood function, the profile likelihood lacks certain regular properties, making modification necessary. We adopt a generalized panel data framework that incorporates group fixed effects for time and individual pairs, rather than traditional individual fixed effects. Applications of our approach include linear models with non-nested specifications of individual-time effects.
title Model Selection in Panel Data Models: A Generalization of the Vuong Test
topic Econometrics
url https://arxiv.org/abs/2601.22354