		(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
VARIABLES	LABELS	ln_wtp_hq_s1	ln_wtp_hq_s1	ln_wtp_hq_s1	ln_wtp_hq_s1	Log WTP for high-quality solar lamp	Log WTP for high-quality solar lamp	Log WTP for high-quality solar lamp	Log WTP for high-quality solar lamp
									
2.treatment_cat	Treatment category = 2, LG certification	0.16**	0.16***			0.12**	0.12**		
		(0.06)	(0.06)			(0.05)	(0.05)		
3.treatment_cat	Treatment category = 3, 2-year warranty	0.16***	0.14**			0.13**	0.11**		
		(0.06)	(0.06)			(0.05)	(0.05)		
4.treatment_cat	Treatment category = 4, Money-back guarantee	0.01	-0.02			-0.02	-0.05		
		(0.06)	(0.06)			(0.05)	(0.05)		
2.treatment_cat_v2	Treatment category = 2, Durability signaling (LGC, 2YW)			0.16***	0.14***			0.12***	0.11**
				(0.05)	(0.05)			(0.04)	(0.04)
Constant	Constant	7.55***	7.43***	7.55***	7.44***	7.58***	7.50***	7.58***	7.49***
		(0.04)	(0.14)	(0.04)	(0.15)	(0.04)	(0.11)	(0.04)	(0.12)
									
Observations		960	958	729	727	960	958	729	727
R-squared		0.01	0.06	0.01	0.07	0.01	0.06	0.01	0.07
Robust standard errors in parentheses									
*** p<0.01, ** p<0.05, * p<0.1									
