RT Journal Article SR Electronic T1 R-Squareds and Alphas are from Different Alphabets JF The Journal of Investing FD Institutional Investor Journals SP 62 OP 66 DO 10.3905/joi.1998.408457 VO 7 IS 2 A1 Ronald J. Surz YR 1998 UL https://pm-research.com/content/7/2/62.abstract AB