Table 2 Unit root test
LLC | IPS | Breitung | Fisher | Hadri | |
|---|---|---|---|---|---|
GDP | −0.554 | 0.003 | 1.078 | 68.221 | 24.663 |
0.289 | 0.501 | 0.859 | 0.402 | 0.000 | |
d.GDP | −4.909 | −3.676 | −4.669 | 142.41 | 1.227 |
0.000 | 0.000 | 0.000 | 0.000 | 0.110 | |
Poll | −3.746 | 2.907 | 3.154 | 42.061 | 16.464 |
0.000 | 0.998 | 0.999 | 0.991 | 0.000 | |
d.Poll | .. | −7.022 | −3.997 | 267.87 | −1.444 |
0.000 | 0.000 | 0.000 | 0.926 | ||
RoL | −3.914 | −1.354 | −1.684 | 84.69 | 14.11 |
0.000 | 0.088 | 0.046 | 0.061 | 0.000 | |
d.RoL | .. | −9.076 | −7.409 | 294.89 | −0.067 |
0.000 | 0.000 | 0.000 | 0.527 |