Lee, Yoonseok; Caner, Mehmet; Han, Xu - Center for Policy Research, Maxwell School - 2015
This paper develops the adaptive elastic net GMM estimator in large dimensional models with many possibly invalid … sample size. The basic idea is to conduct the standard GMM estimation combined with two penalty terms: the quadratic … conditions to estimate the selected structural parameters and thus achieves the standard GMM efficiency bound as if we know the …