RT Journal Article SR Electronic T1 A New Approach to Value-Added Returns JF The Journal of Investing FD Institutional Investor Journals SP 32 OP 36 DO 10.3905/joi.5.1.32 VO 5 IS 1 A1 John D. Wibbelsman YR 1996 UL https://pm-research.com/content/5/1/32.abstract AB