Real estate can play a role in defined contribution (DC) plans — but only a limited, carefully designed one. While decades of academic research support real estate as a diversifier in institutional portfolios, that evidence translates unevenly into participant-directed DC environments. Liquidity constraints, valuation lag, governance burden and participant behaviour materially change the calculus. For most DC plans, the most defensible use of real estate is through liquid, transparent vehicles or as a small embedded sleeve within professionally managed portfolios, not as standalone private property exposure.
What the academic literature actually says
The foundational real estate portfolio literature demonstrates real estate can improve diversification when combined with stocks and bonds. Studies by Ibbotson and Siegel; and later by Kallberg, Liu and Greig; showed real estate historically generated returns between equities and fixed income, and could
