Table 8 Test for the existence of thresholds.
From: Impact of AI development on green total factor productivity
Variable | Threshold number | F value | P value | threshold | Critical value | ||
---|---|---|---|---|---|---|---|
1% | 5% | 10% | |||||
TI | single threshold | 29.95** | 0.0000 | 12.1005 | 38.0148 | 24.2123 | 18.0758 |
LNPGDP | single threshold | 85.45** | 0.0300 | 11.7058 | 89.0994 | 49.3634 | 32.6898 |