TY  - JOUR
A1  - Stock, J.H.
A1  - Wright, J.H.
A1  - Yogo, M.
T1  - A survey of weak instruments and weak identification in generalized method of moments
Y1  - 2002
DO  - 10.1198/073500102288618658
JF  - Journal of Business and Economic Statistics
VL  - 20
IS  - 4
SP  - 518
EP  - -529

ER  -