In an interview with The Financial Times, Jeremy Grantham discusses a study on various financial bubbles that his firm has recently completed. Mr. Grantham found 34 examples of bubbles that fit his definition as a “forty year event” statistically. Of these 34 bubbles, 32 have moved back to trends prior to the bubble forming. The two bubbles currently outstanding are the U.K. and Australian housing bubbles which Mr. Grantham believes are driven by low rates on floating rate mortgages. Read this article for more details and a link to the interview.