Systematic review on defining asset price bubbles published! doi.org/10.1111/joes.70040
We review 122 papers from 11 research areas and find that while most researchers indeed refer to bubbles as "deviations from fundamentals", there are many other definitions in use as well.
doi.org
What Are Asset Price Bubbles? A Survey on Definitions of Financial Bubbles
Financial bubbles and crashes have repeatedly caused economic turmoil notably but not just during the 2008 financial crisis. However, both in the popular press as well as scientific publications, the...