Table 8.
Threshold model regression results for foreign investment and carbon emissions.
| Test Variable | Threshold Variable | ||
|---|---|---|---|
| rd | ci | is | |
| rd | 0.1508 *** | 0.0421 | |
| (4.2) | (1.0580) | ||
| ci | 0.0828 *** | 0.0425 *** | |
| (9.0002) | (3.7754) | ||
| cp | 2.2352 *** | 3.1529 *** | 2.8878 *** |
| (7.1197) | (7.71) | (7.9001) | |
| is | 0.3458 *** | 0.1146 * | |
| (6.5569) | (1.94) | ||
| fi_1 | −0.1935 *** | −0.1030 *** | −0.1314 *** |
| (−3.7922) | (−5.02) | (−5.6903) | |
| fi_2 | −0.0259 ** | −0.0499 *** | −0.0692 *** |
| (−2.6259) | (−4.1) | (−6.5933) | |
| fi_3 | −0.0467 *** | ||
| (−4.1177) | |||
| cons | 7.8670 *** | 8.3324 *** | 8.580 *** |
| (43.16) | (40.51) | (55.65) | |
| R2 | 0.7808 | 0.6406 | 0.751 |
Note: () is T-test statistic; ***, **, * are significant at 1%, 5% and 10% significance levels, respectively.