Before revision: Based on analogies with statistical physics and complexity theory, we have developed in the last decade an approach that diagnoses bubbles as transient super-exponential regimes. Here, We present an analysis of oil prices in US dollars and in other major currencies that diagnoses unsustainable faster-than-exponential behavior.
After revision:  We present an analysis of oil prices in US dollars and in other major currencies that diagnoses unsustainable faster-than-exponential behavior.