Table 3 Descriptive statistics of variables in non-pilot provinces.
From: The impact of China pilot carbon market policy on electricity carbon emissions
Variable | Before | Mean | Standard deviation | After | Mean | Standard deviation | Difference in means |
|---|---|---|---|---|---|---|---|
Electricity CO2 emissions | 253 | 9342.5644 | 7429.7224 | 161 | 13,535.7408 | 11,012.2370 | 4193.1764 |
PZ | 253 | 4526.6500 | 2562.8980 | 161 | 4692.1900 | 2704.0380 | 165.5400 |
EC | 253 | 333.3870 | 30.3386 | 161 | 296.3650 | 11.2452 | −37.0220 |
R&D | 253 | 0.0098 | 0.0053 | 161 | 0.0136 | 0.0065 | 0.0038 |
DO | 253 | 0.0294 | 0.0285 | 161 | 0.0246 | 0.0203 | −0.0048 |
DG | 253 | 0.2042 | 0.0906 | 161 | 0.2759 | 0.1103 | 0.0717 |
EI | 253 | 1.4462 | 0.8224 | 161 | 0.8138 | 0.4341 | −0.6324 |
PS | 253 | 0.7895 | 0.2206 | 161 | 0.7020 | 0.2559 | −0.0875 |
ES | 253 | 75.0845 | 24.8429 | 161 | 72.4909 | 32.4952 | −2.5936 |
DP | 253 | 0.0046 | 0.0036 | 161 | 0.0035 | 0.0034 | -0.0011 |