Does Asset Allocation Policy Explain 40, 90, 100 Percent of Performance?
Roger G. Ibbotson
Paul D. Kaplan
Does asset allocation policy explain 40 percent, 90 percent, or 100 percent of performance? According to some well-known studies, more than 90 percent of the variability of a typical plan sponsor's performance over time is attributable to asset allocation. However, few ...