The earnings of immigrants and the quality adjustment of immigrant human capital

Table 2 Estimates for the schooling quality production function

	Model 1	Model 2	Model 3	Model 4	Model 5
Educational inputs
Pupil- Teacher ratio at primary schools	−0.0372	−0.0263	−0.0247	−0.0265	−0.0340
	(0.0279)	(0.0468)	(0.0305)	(0.0470)	(0.0317)
Log real government educational expenditure per pupil at primary schools	0.346	0.389	0.447	0.336	0.550***
	(0.239)	(0.612)	(0.424)	(0.584)	(0.159)
Number of school days per year at primary schools	0.0220*	0.0219*	0.0257	0.0220	0.0412***
	(0.0123)	(0.0123)	(0.0162)	(0.0228)	(0.0120)
Log real salary of primary school teachers		0.194		0.611
		(0.646)		(0.623)
Parental factors
Average years of schooling			0.177	0.142	0.0607
			(0.159)	(0.165)	(0.160)
Log real per capita GDP			−0.296	−0.527
			(0.435)	(0.367)
Constant	0.685	−1.638	0.924	−1.041	−6.314*
	(3.217)	(4.592)	(4.586)	(6.779)	(3.310)

Standard errors in parentheses, *** p<0.01, ** p<0.05, * p<0.1. Under Model 5, schooling quality production function was estimated using weighted least squares, with the number of individuals from each source country is used as a weight.