Table 5.

Educational attainment heterogeneity test.

Variable	Higher academic qualifications	Lower academic qualifications
	HSE	HSE
EJ	0.0134	0.0173**
	(0.0120)	(0.0068)
Gender	0.0062	0.0512***
	(0.0042)	(0.0028)
Age	−0.0030***	−0.0034***
	(0.0003)	(0.0002)
Edu	0.0181***	0.0823***
	(0.0036)	(0.0025)
Marry	−0.0007	−0.0024***
	(0.0009)	(0.0005)
Smoken	−0.0077*	0.0005
	(0.0040)	(0.0029)
Drunk	0.0311***	0.0300***
	(0.0036)	(0.0026)
Income	0.0179***	0.0135***
	(0.0014)	(0.0008)
lnGDP	0.0184	−0.0332***
	(0.0133)	(0.0101)
SSI	−0.0432*	−0.0008
	(0.0245)	(0.0160)
lnMIDU	0.0043	0.0117**
	(0.0087)	(0.0051)
ML	0.0325	0.0284
	(0.0291)	(0.0179)
CTRS	−0.0002	−0.0004**
	(0.0003)	(0.0002)
NDWDR	0.0001	0.0001
	(0.0002)	(0.0001)
GCBA	0.0015*	0.0001
	(0.0008)	(0.0005)
_cons	0.2106	0.8436***
	(0.2047)	(0.1415)
N	5,924	17,971
R 2	0.140	0.254

Standard errors in parentheses.

^*p < 0.1,

^**p < 0.05,

^***p < 0.01.