A Note on Pooled Sample Estimators

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Abstract

We examine the relationships among the estimators of each sample and the pooled sample. We demonstrate that after allowing different constant terms, the covariance matrix of the estimators of the pooled sample is smaller than those of each sample.

Journal

  • 経済学雑誌

    経済学雑誌 113 (1), 109-112, 2012-06

    大阪市立大学経済学会

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