Model 1 |
Model 2 |
Model 3 |
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|---|---|---|---|---|---|---|
| PP Stat | p-Value | PP Stat | p-Value | PP Stat | p-Value | |
| Brent | -240.5123 | 0.01 | -240.3718 | 0.01 | -240.3631 | 0.01 |
| US Refiner Acquisition Cost | -172.4202 | 0.01 | -172.5182 | 0.01 | -172.6286 | 0.01 |
| WTI | -232.1851 | 0.01 | -232.1155 | 0.01 | -232.1539 | 0.01 |
| Model 1: No drift or trend Model 2: With drift, no trend Model 3: With drift and trend |
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