The unbalanced nested error component regression model

Badi H. Baltagi, Seuck Heun Song, Byoung Cheol Jung

Research output: Contribution to journalArticlepeer-review

73 Scopus citations


This paper considers a nested error component model with unbalanced data and proposes simple analysis of variance (ANOVA), maximum likelihood (MLE) and minimum norm quadratic unbiased estimators (MINQUE)-type estimators of the variance components. These are natural extensions from the biometrics, statistics and econometrics literature. The performance of these estimators is investigated by means of Monte Carlo experiments. While the MLE and MINQUE methods perform the best in estimating the variance components and the standard errors of the regression coefficients, the simple ANOVA methods perform just as well in estimating the regression coefficients. These estimation methods are also used to investigate the productivity of public capital in private production.

Original languageEnglish (US)
Pages (from-to)357-381
Number of pages25
JournalJournal of Econometrics
Issue number2
StatePublished - Apr 2001
Externally publishedYes


  • MLE
  • Nested error component
  • Panel data
  • Unbalanced ANOVA
  • Variance components

ASJC Scopus subject areas

  • Economics and Econometrics


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