Table 4 Balance test results of PSM.
Variables | Average of treatment group | Average of control group | Standardization deviation (%bias) | Statistical value of T | Statistical value of P | |
|---|---|---|---|---|---|---|
temp | Before | 11.197 | 10.864 | 65.4 | 12.16 | 0.000 |
After | 11.197 | 11.194 | 0.6 | 0.10 | 0.917 | |
lngdp | Before | 125.58 | 118.33 | 63.7 | 11.79 | 0.000 |
After | 125.58 | 125.49 | 0.8 | 0.14 | 0.890 | |
lngdp2 | Before | 43.131 | 40.94 | 49.4 | 8.69 | 0.000 |
After | 43.131 | 42.747 | 8.7 | 1.47 | 0.142 | |
greenr | Before | 17.568 | 19.087 | −19.2 | −3.89 | 0.000 |
After | 17.568 | 17.675 | −1.3 | −0.19 | 0.846 | |
pop | Before | 0.0251 | 0.0184 | 35.8 | 6.37 | 0.000 |
After | 0.0251 | 0.027 | −10.5 | −1.36 | 0.173 | |
fdi | Before | 8.428 | 7.2164 | 19.9 | 4.30 | 0.000 |
After | 8.428 | 8.5157 | −1.4 | −0.20 | 0.839 |
