Published Versions

Feldstein, Martin and Ranguelova, Elena. "Individual Risk In An Investment-Based Social Security System," Tax Policy and the Economy, Volume 15. Ed. James M. Poterba. Cambridge MA, The MIT Press, 2001.

Accumulated Pension Collars: A Market Approach to Reducing the Risk of Investment-Based Social Security Reform, Martin Feldstein, Elena Ranguelova. in Tax Policy and the Economy, Volume 15, Poterba. 2001

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