The Arithmetic of “All-In” Investment Expenses

This article represents a rare (if not unique) attempt to estimate the drag on mutual fund returns engendered by “all-in” investment expenses, including not only expense ratios (until now, the conventional measure of fund costs) but also fund transaction costs, sales loads, and cash drag. Compared with costly actively managed funds, over time, low-cost index funds create extra wealth of 65% for retirement plan investors.