TY  - JOUR
A1  - Dehejia, R.H.
A1  - Wahba, S.
T1  - Propensity score matching methods for nonexperimental causal studies
Y1  - 2002
DO  - 10.1162/003465302317331982
JF  - Review of Economics and Statistics
VL  - 84
IS  - 1
SP  - 151
EP  - -161

ER  -