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A nonparametric test for poolability using panel data
Baltagi, Badi H., (1996)
Erratum: Monte Carlo results on several new and existing tests for the error component model (Vol. 54, No. 1-3 (1992) pp. 95-120)
Baltagi, Badi H., (1993)
Variance Component Estimation Under Misspecification
Baltagi, Badi H., (1991)