Variable | ADF test value | 1% critical value | 5% critical value | 10% critical value | Prob. | Test results |
Overcharges | −4.782 | −4.616209 | −3.710482 | −3.297799 | 0.0074 | Smooth |
Overspend | −4.454 | −4.616209 | −3.710482 | −3.297799 | 0.0134 | Smooth |