		(1)	(2)
VARIABLES	LABELS	No son	At least one son
			
DOT_1	treatment period 1	0.170**	0.025
		(0.085)	(0.071)
DOT_2	treatment period 2	0.251***	0.050
		(0.074)	(0.073)
Constant	Constant	-0.954	2.458***
		(0.682)	(0.941)
			
Observations		489	891
R-squared		0.755	0.729
Control group mean		0.917	2.924
Robust standard errors in parentheses			
*** p<0.01, ** p<0.05, * p<0.1			
