The Econometric SocietyEconometrica: Sep 1972, Volume 40, Issue 5
Notes and Comments: The Covariance Matrix of the Limited Information Maximum Likelihood Estimator
https://doi.org/0012-9682(197209)40:5<899:TCMOTL>2.0.CO;2-R
p.
899-900
A. R. Bergstrom
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