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A note on input-output analysis
Neudecker, H., (1963)
Bounds for the bias of the least squares estimator of o2 in the case of a first-order autoregressive process (positive autocorrelation)
Neudecker, H., (1977)
A derivation of the Hessian of the (concentrated) likelihood function of the factor model employing the Schur product
Neudecker, H., (1976)