An Update': Financial Analysts Journal May-June 1991 Ibbotson and Kaplan, Does Asset Allocation Policy Explain 40, 90. or 100 Percent Performance). Financial Analyst's Journal January/February 2007 6/28/2011 4.21 PM 36 EFTA_R1_02033281 EFTA02691390 Initial Conclusions: Open Questions/Issues Policy Roadmap C