| Level | First Difference | Level of Significance | Order of Integration | ||
t. Statistic | P. Value | t. Statistic | P. Value | |||
RGDP | −1.046798 | 0.7226 | −5.149141 | 0.0003 | 5% | 1(1) |
EXT | −0.378478 | 0.9003 | −4.387133 | 0.0018 | 5% | 1(1) |
DDB | 3.495196 | 1.0000 | −3.673205 | 0.0104 | 5% | 1(1) |
Critical Values | ||||||
| Level | First Difference |
|
| ||
1% | −3.679322 | −3.689194 |
|
| ||
5% | −2.967767 | −2.971853 |
|
| ||
10% | −2.622989 | −2.625121 |
|
|