Li Wang, Yongzhong Song, ON THE OPTIMIZATION OF EXTRAPOLATION METHODS FOR SINGULAR LINEAR SYSTEMS, Journal of Computational Mathematics, Vol. 26, No. 2 (March 2008), pp. 227-239 ...

Here the inverses of the Fisher information matrices are shown to be identical over common parameters so that the asymptotic covariance matrices of the estimates correspond. Biometrika is primarily a ...