RT Journal Article SR Electronic T1 Invited Editorial Comment JF The Journal of Portfolio Management FD Institutional Investor Journals SP 1 OP 4 DO 10.3905/jpm.2010.37.1.001 VO 37 IS 1 A1 Laurence B. Siegel YR 2010 UL https://pm-research.com/content/37/1/1.abstract AB