Econometrica: Oct 1959, Volume 27, Issue 4
The Bias and Moment Matrix of the General k-Class Estimators of the Parameters in Simultaneous Equations
A. L. NagarIn this article we study the small sample properties of the so called general k-class estimators of simultaneous equations. Two members of the family of k-class estimators are found, one of which is unbiased to the degree of our approximation and the other possesses a minimum second moment around the true parameter value, again to the order of our approximation.
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