Variable | DF-GLS Test | Phillips-Perron Test | IO | ||
Level | Level | ||||
No Trend | Trend | No Trend | Trend | ||
lnGDP | 0.828 | −0.633 | 3.681 | −0.396 |
|
lnGDS | 2.001 | −2.865 | 0.360 | −4.596 |
|
Variable | DF-GLS Test | Phillips-Perron Test | IO | ||
First Difference | First Difference | ||||
No Trend | Trend | No Trend | Trend | ||
ΔlnGDP | −2.561** | −3.310** | −4.127*** | −5.884*** | I (1) |
ΔlnGDS | −3.926*** | −5.112*** | −10.677*** | −10.715*** | I (1) |