International Trade of Masks and COVID-19 Pandemic Containment

Table 6

The impact of intermediate goods.

Recovery rate	(1)	(2)	(3)	(4)	(5)	(6)
Linear impact of intermediate goods
Log (increase rate)	1.823	1.873	1.790	1.778	1.566	2.718
	(1.431)	(1.466)	(1.625)	(1.621)	(1.606)	(3.188)
Log (per GDP)		3.365	3.670	3.670	3.313	1.968
		(1.069)	(1.914)	(1.923)	(1.955)	(2.574)
Infant mortality			0.030	0.032	0.022	0.135
			(0.124)	(0.122)	(0.123)	(0.213)
Log (population density)				0.146	0.065	0.829
				(0.801)	(0.817)	(1.263)
Log (population)					−0.711	0.125
					(0.575)	(0.907)
Education level						0.144
						(0.094)
Obs.	168	165	163	163	163	106
R-squared	0.008	0.081	0.077	0.077	0.082	0.065
Nonlinear impact of intermediate goods
Recovery rate	(1)	(2)	(3)	(4)	(5)	(6)
Increase rate	0.012	0.012	0.013	0.014	0.011	0.009
	(0.011)	(0.011)	(0.012)	(0.012)	(0.012)	(0.068)
Increase rate^2	−0.000	−0.000	−0.000	−0.000	−0.000	−0.000
	(0.000)	(0.000)	(0.000)	(0.000)	(0.000)	(0.000)
Log (per GDP)		3.212	2.683	2.689	2.322	1.442
		(1.032)	(1.827)	(1.845)	(1.872)	(2.142)
Infant mortality			−0.047	−0.048	−0.057	0.133
			(0.123)	(0.121)	(0.123)	(0.212)
Log (population density)				−0.144	−0.210	0.196
				(0.788)	(0.797)	(1.075)
Log (population)					−0.730	−0.610
					0.011	(1.001)
Education level						0.117
						(0.080)
Obs.	180	176	173	173	173	114
R-squared	0.007	0.076	0.072	0.072	0.077	0.041

Significant at 10%. Significant at 5%. Significant at 1%.