TY - JOUR TI - Large Sample Properties of Matching Estimators for Average Treatment Effects AU - Alberto Abadie AU - Guido W. Imbens JO - Econometrica PY - 2005 VL - 74 IS - 1 DO - 10.1111/j.1468-0262.2006.00655.x UR - https://doi.org/10.1111/j.1468-0262.2006.00655.x ER -