The Signal Effect of New Energy Vehicles Promotion on Enterprise Innovation

Table 2

Descriptive statistics of the variables.

Variable	Obs	Mean	Std. dev.	Min	Max
Treat ∗ Post	334	0.55689	0.497499	0	1
Profit	334	3.05994	9.82459	−3.035234	72.51881
Fin	334	0.022331	0.021615	0	0.141911
Rad	334	0.008883	0.021269	0	0.1886
Inc	334	0.011962	0.027535	0	0.2446
Ext	334	0.544392	1.498973	−5.884992	17.52637
Age	334	2.763407	0.365151	1.609438	4.060443
Size	334	16.99343	4.37686	9.891342	24.77929
Sub	334	−0.618773	1.617142	−14.69064	3.024192
Lev	334	3.975222	0.393875	1.967371	4.574195
Sta	334	0.694190	1.540632	−5.124496	4.09601