RT Journal Article SR Electronic T1 What Caused the Mess? JF The Journal of Portfolio Management FD Institutional Investor Journals SP 1 OP 1 DO 10.3905/JPM.2008.35.1.001 VO 35 IS 1 A1 Peter L Bernstein YR 2008 UL https://pm-research.com/content/35/1/1.abstract AB