Table 4 Descriptive statistics of the variables.
Variable | Variable definition | Sample size | Mean | Standard deviation | Minimum | Maximum |
|---|---|---|---|---|---|---|
gtfp | Green total factor productivity | 253 | 1.444 | 0.713 | 0.589 | 4.543 |
ide | Level of development of the digital economy in the industry | 253 | 0.255 | 0.166 | 0.0150 | 0.871 |
lva | Size of the industrial economy | 253 | 7.503 | 0.874 | 5.419 | 8.971 |
lrd | Industry technology size | 253 | 4.376 | 1.275 | 1.203 | 6.889 |
llab | Industry labor force size | 253 | 5.401 | 1.007 | 2.754 | 7.188 |
lptf | Industry pollution control costs | 253 | 11.26 | 1.761 | 7.062 | 14.62 |
market | Degree of marketization in the industry | 253 | 0.183 | 0.227 | 0.00686 | 0.997 |
open | Degree of openness of the industry | 253 | 0.223 | 0.125 | 0 | 0.757 |
