Elsevier

Journal of Econometrics

Volume 75, Issue 2, December 1996, Pages 345-367
Journal of Econometrics

A nonparametric test for poolability using panel data

https://doi.org/10.1016/0304-4076(95)01779-8Get rights and content

Abstract

This paper derives a nonparametric procedure for testing poolability in a panel data framework. This is contrasted with alternative parametric tests which are not robust to functional misspecification. This test is illustrated with an earning equation using data from the Panel Study of Income Dynamics (PSID).

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We would like to thank Richard Blundell, Yanquin Fan, and anonymous referees for many helpful comments. Q. Li would like to thank the Social Sciences and Humanities Research Council of Canada for financial support.

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