Investment Returns and Distribution Policies of Non-Profit Endowment Funds
44 Pages Posted: 11 Dec 2018
Date Written: December 2018
We present the first estimates of investment returns and distribution rates for U.S. non-profit endowment funds, based on a comprehensive sample of more than 28,000 organizations drawn from Internal Revenue Service filings for 2009-2016. Endowments badly underperform market benchmarks, with median annual returns 5.53 percentage points below a 60-40 mix of U.S. equity and Treasury bond indexes, and statistically significant alphas of -1.01% per year. Smaller endowments have less negative alphas than larger endowments, but all size classes significantly underperform. Higher education endowments, the majority of the $0.7 trillion asset class, do significantly worse than funds in other sectors. Distribution ratios are conservative, well below the funds’ long-run returns. Donors increase contributions when endowment returns are strong, with an elasticity of about 0.13 between net-of-market investment returns and new donations.
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