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Faculty Research Working Paper Series
Brigitte Madrian
Professor of Public Policy and Corporate Management in the Aetna Chair
phone: (617)495-8917
fax: (617)496-1722
Liquidity in Retirement Savings Systems: An International Comparison
Beshears, John, James J. Choi, Joshua Hurwitz, David Laibson, and Brigitte C. Madrian. "Liquidity in Retirement Savings Systems: An International Comparison." HKS Faculty Research Working Paper Series RWP15-024, May 2015.
What is the socially optimal level of liquidity in a retirement savings system? Liquid retirement savings are desirable because liquidity enables agents to flexibly respond to pre-retirement events that raise the marginal utility of consumption. On the other hand, pre-retirement liquidity is undesirable when it leads to under-saving arising from, for example, planning mistakes or selfcontrol problems. This paper compares the liquidity that six developed economies have built into their employer-based defined contribution (DC) retirement savings systems. We find that all of them, with the sole exception of the United States, have made their DC systems overwhelmingly illiquid before age 55.



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