The Social Security Trust Fund, the Riskless Interest Rate, and Capital Accumulation

Andrew B. Abel, Risk Aspects of Investment-Based Social Security Reform (University of Chicago Press, 2001), chap. 5, https://www.nber.org/books-and-chapters/risk-aspects-investment-based-social-security-reform/social-security-trust-fund-riskless-interest-rate-and-capital-accumulation.