Notes, Comments and Preliminary results Aug 24 2016 Heather L. Bednarek and Hailong Qian   The optimality of non-optimal GMM estimation of parameters of interest and the partial asymptotic efficiency of 2SLS estimation   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 11 2015 Hailong Qian and Heather L. Bednarek   Partial efficient estimation of SUR models   Abstract  Contact Information  Citation  Full Text  -  Note