Does Digital Economy Contribute to Regional Carbon Productivity? Evidence of China

Table 2

Correlation matrix and summary statistics of variables.

Variable
	1.000
	0.4031	1.000
	0.5737	0.3566	1.000
	0.5598	0.4585	0.7612	1.000
	0.1728	0.1511	0.2783	0.3539	1.000
S	0.7536	0.1656	0.6499	0.5668	0.1980	1.000
	0.6559	0.2620	0.6465	0.7312	0.4281	0.7653	1.000
Sample size	270	270	270	270	270	270	270
Average	0.6812	0.6855	10.0021	0.5764	0.5650	1.1745	0.6701
Variance	0.6839	0.5583	1.1934	0.1215	0.1404	0.6648	0.0308
Standard deviation	0.4695	0.3128	1.4296	0.0148	0.0198	0.4436	0.0010
Minimum	6.4135	3.8497	13.7000	0.8961	1.1127	5.1692	0.1963
Maximum	0.0977	0.1107	5.9018	0.3497	0.2771	0.5180	0.0196

Note. , , and indicate the significance at the level of 0.01, 0.05, and 0.1, respectively.