Table 4.

Robustness Checks

Variables	Model	Model 4	Model 5	Model 6
	Alternative Nationalism Measure. Individual Model.	Alternative Nationalism Measure (Full Model.	Alternative Dependent Variable. Social Distancing Index.	Alternative Dependent Variable & Nationalism Measure
R-squared	0.200	0.846	0.715	0.822
Countries	89	58	118	77
Observations	12,777	8460	16,707	11,078
Policy Stringency or Social Distancing Index
COVID-19 Cases	29,178	2087	5797***	3792
	(23,781)	(30,194)	(1624)	(3502)
V-Dem	7820***	1488	536.5**	232.9
	(2650)	(2113)	(244.9)	(241.5)
Nationalism	4803***	−740.6	125.1	−111.9
	(1300)	(1049)	(115.1)	(114.7)
Govt Effectiveness	−18,537*	1519	−53.94	−636.8
	(9813)	(5312)	(546.0)	(629.3)
IGO	2165	1719	429.5**	424.8**
	(2364)	(1299)	(211.2)	(172.8)
% Over 65	251.9**	84.42	7.106	12.84
	(123.3)	(91.96)	(8.647)	(9.548)
Hospital Beds	649.1**	−518.0*	−64.13	−70.54**
	(312.6)	(274.5)	(41.11)	(34.36)
Arrivals	−857.4	669.5	−47.47	9.745
	(577.7)	(560.9)	(67.75)	(61.59)
GDP	−6.10e-05**	−6.54e-06	3.95e-06	2.97e-06
	(2.45e-05)	(2.68e-05)	(3.97e-06)	(2.36e-06)
Neighboring Cases	−4140*	−695.8	−573.2***	−377.3
	(2406)	(2877)	(159.1)	(341.6)
Nationalist Peer Stringency	8.72e-07***	−4.06e-07	0.190***	0.0796***
	(2.18e-07)	(3.12e-07)	(0.00848)	(0.0147)
Geographic Peer Stringency		0.720***		0.517***
		(0.0721)		(0.0734)
Economic Peer Stringency		−6.01e-08		−3.03e-07**
		(1.33e-07)		(1.19e-07)
Political Peer Stringency		0.00819**		0.00434
		(0.00345)		(0.00368)
Lingual Peer Stringency		0.105**		0.0168
		(0.0524)		(0.0253)
Constant	48.62***	5.183***	1.116***	0.478***
	(0.654)	(1.779)	(0.239)	(0.170)

*** p < 0.01, ** p < 0.05, *p < 0.1