Table 2.

2SRI Second Stage, GMM, and NLS Estimates

Variable	2SRI			GMM		NLS
	Estimate	Correct Asymp. t‐stat	Uncorrected Asymp. t‐stat	Estimate	Asymp. t‐stat	Estimate	Asymp. t‐stat
CIGS	−0.01	−3.68	−4.08	−0.01	−3.46	0.00	−5.62
PARITY	0.02	3.18	3.41	0.02	3.33	0.01	2.99
WHITE	0.05	4.22	4.55	0.05	4.44	0.06	4.75
MALE	0.03	3.13	3.35	0.03	2.95	0.03	2.90
X u	0.01	2.56	2.83	–	–	–	–
Constant	1.95	117.64	123.74	1.94	121.71	1.93	133.70

n = 1,388.