Citation:Xie, Yu, Jennie E Brand, and Ben Jann. “Estimating HeterogeneousTreatment Effects withObservational Data”. Sociological Methodology 42 (2012): , 42, 314–347. Print.Download CitationBibTex Tagged XML Download xie_et_al.2012-sm.pdf599 KB Last updated on 10/22/2015