	(1)	(2)	(3)	(4)
VARIABLES	OLS R-R log(value)	OLS C-R log(value)	PPML C-R value	PPML FE C-R value
				
nn_trend	0.037***	-0.014	0.031	0.031
	(0.003)	(0.015)	(0.025)	(0.025)
ns_trend	0.039***	-0.013	0.029	0.029
	(0.010)	(0.015)	(0.022)	(0.022)
sn_trend	0.051***	0.035***	0.031***	0.032***
	(0.009)	(0.005)	(0.004)	(0.004)
ss_trend	0.087***	0.071***	0.056***	0.057***
	(0.017)	(0.005)	(0.003)	(0.003)
Constant	-5.916***	-7.715***	-8.345***	-4.213***
	(0.150)	(0.028)	(0.292)	(0.048)
				
Observations	72	5,934	5,934	5,934
R-squared	0.981	0.936	0.115	
SS-NN	.05***	.086***	.025	.026
SN-NN	.013	.049***	0	.001
NS-NN	.001	.001	-.003	-.003
SN-NS	.012	.048***	.002	.004
Srec-Nrec	.019*	.019*	.011	.011
Ssen-Nsen	.031***	.067***	.013	.015
FE	R-R	C-R R-C	R-R	C-R R-C
Robust standard errors in parentheses				
*** p<0.01, ** p<0.05, * p<0.1				
