Regression results with different estimators

Dependent variable:	Children under one year of age fully vaccinated
Estimators	GLS	GLS	PCSE	PCSE
Columns	(1)	(2)	(3)	(4)
Children fully vaccinatedt-1	0.167***	-0.037	0.167	-0.037
	(0.041)	(0.039)	(0.104)	(0.084)
Government expenditure on social securitiest-1	0.007***	0.009**	0.007**	0.009***
	(0.003)	(0.004)	(0.003)	(0.004)
Population on logarithm	-0.014***	0.016	-0.014***	0.016
	(0.003)	(0.025)	(0.005)	(0.027)
Literacy	0.001***	0.000	0.001***	0.000
	(0.000)	(0.001)	(0.000)	(0.002)
Private sector labor share	0.000**	0.001	0.000***	0.001
	(0.000)	(0.000)	(0.000)	(0.001)
GRDP per capita on logarithm	-0.000	0.005	-0.000	0.005
	(0.003)	(0.023)	(0.001)	(0.026)
Time Fes	Yes	Yes	Yes	Yes
Province Fes	No	Yes	No	Yes
Observations	378	378	378	378
R-squared			0.312	0.558
Number of provinces/cities	63	63	63	63

Source: Authors. The final data covers the years from 2014 to 2019. Standard errors are indicated in parentheses with significance levels: *** for p < 0.01, ** for p < 0.05, * for p < 0.1