Paper

Kukush, Alexander and Malenko, Andrii and Schneeweiß, Hans (2006): Optimality of the quasi-score estimator in a mean-variance model with applications to measurement error models. Collaborative Research Center 386, Discussion Paper 494

Kukush, Alexander and Malenko, Andrii and Schneeweiß, Hans and Shalabh (2006): Optimality of Quasi-Score in the multivariate mean-variance model with an application to the zero-inflated Poisson model with measurement errors. Collaborative Research Center 386, Discussion Paper 498