%0 Journal Article
%T Efficient Estimation of Average Treatment Effects Using the Estimated Propensity Score
%A Hirano, Keisuke
%A Imbens, Guido  W.
%A Ridder, Geert
%A ,
%J SSRN Electronic Journal
%@ 1556-5068
%D 2002-01-01
%I Elsevier BV
%~ DeepDyve