Variable (symbol)

Mean

Standard deviation

of low-carbon pilot cities

Mean

Standard deviation of non low-carbon pilot cities

Per GDP (Y)

6.74

2.24

4.83

3.10

Pet GDP intensity (E)

0.8

0.18

1.33

0.69

Proportion of tertiary

industry (SI)

42.75%

8.23

44.96%

12.88

city rate (UR)

60.16%

6.24

49.62%

8.77

Intensity (CO₂)

1.85

0.64

3.02

1.12