TY  - JOUR
A1  - DiPrete, T.A.
A1  - Gangl, M.
T1  - Assessing bias in the estimation of causal effects: Rosenbaum bounds on matching estimators and instrumental variables estimation with imperfect instruments
Y1  - 2004
DO  - 10.1111/j.0081-1750.2004.00154.x
JF  - Sociological Methodology
VL  - 34
IS  - 1
SP  - 271
EP  - -310

ER  -