Bubbles in Crude Oil and Commodity Energy Index: New Evidence
This paper considers a long dataset of both Brent and West Texas Intermediate (WTI) crude oil prices and the Commodity (fuel) energy index (CEI) to identify possible bubbles. Using the Supremum Augmented Dickey–Fuller (SADF) test, we compare results from WTI and Brent with CEI. We prove that the CEI...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-12-01
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Series: | Energies |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1073/13/24/6648 |