On the Exact Distributions of the GCL Estimators in a Leading Three-Equation Case
典型三方程情形下 GCL 估计量的精确分布AI 解读 ↓
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Basmann [4] has recently obtained some results of the exact sampling distributions of the generalized classical linear (GCL) estimators of the parameters of a system of three simultaneous structural linear equations These results appear as generalizations of earlier results given by Basmann [5] for a system of two equations. Kabe [9] used the known properties of the noncentral Wishart distribution to give an alternative derivation of Basmann's results for the two-equation case. In view of the importance of the GCL estimators in econometric statistics, it seems useful to derive Basmann's three-equation case results [4], by using some properties of the non-central Wishart distribution. Some applications of the noncentral Wishart distribution theory to the problem of estimating stochastic structural linear relations have been pointed out earlier by Anderson [1, p. 410, second paragraph]. The results derived here appear as generalizations of the results in reference [9] and include some extensions of Basmann's results.
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