Table 3. Descriptive statistics of variables.

Variable	Mean	Standard Deviation	Min	Max	Observation
hqe	0.376	0.093	0.234	0.795	372
digit	0.332	0.129	0.114	0.934	372
cd	0.379	0.066	0.222	0.603	372
cs	0.109	0.112	0.005	0.715	372
open	0.388	0.402	0.050	3.290	372
basein	12.410	3.119	6.200	26.550	372
govern	0.281	0.208	0.110	1.380	372