RT Journal Article SR Electronic T1 The Relative Importance of Asset Allocation and Security Selection JF The Journal of Portfolio Management FD Institutional Investor Journals SP 111 OP 111 DO 10.3905/jpm.2007.690612 VO 33 IS 4 A1 Mark Kritzman A1 Sébastien Page YR 2007 UL https://pm-research.com/content/33/4/111.abstract AB