共 20 条
[4]
Bickels P. J., 1993, EFFICIENT ADAPTIVE E
[6]
Buzas JS, 1997, COMMUN STAT-THEOR M, V26, P2861
[7]
Consistent estimation with a large number of weak instruments
[J].
ECONOMETRICA,
2005, 73 (05)
:1673-1692