Variable | Levels | 1st Differencing | 2nd Differencing | |||
TRADE | Constant | Trend and Intercept | Constant | Trend and Intercept | Constant | Trend and Intercept |
T-Statistic Values | 1.514963 | −1.766416 | −3.163075 | −3.528635 | −5.144969 | −5.014202 |
Critical Values at 5% level | −2.971853 | −3.587527 | −2.976263 | −3.587527 | −2.991878 | −3.612199 |
Probability | 0.9989 | 0.6927 | 0.0337 | 0.0563 | 0.0004 | 0.0026 |
Critical Values | −3.5 | −3.5 | −3.5 |