
The American economist Paul Samuelson once remarked that investing should be more like watching paint dry. If you want excitement, he noted, take $800 and go to Las Vegas. Samuelson’s comment in many respects strikes at the heart of the asset allocation versus stock selection debate. It’s all in the allocation Brinson et al’s 1986 paper on asset allocation stated that just over 90% of the variance in investment performance based on a fixed asset allocation portfolio was explained by boring old asset allocation, with only 10% arising from the excitement of market timing and stock selection. That 90% of