Feldstein, M., & Ranguelova, E. (2000). Individual risk in an investment-based social security system. National Bureau of Economic Research.
Chicago-viite (17. p.)Feldstein, Martin, ja Elena Ranguelova. Individual Risk in an Investment-based Social Security System. Cambridge: National Bureau of Economic Research, 2000.
MLA-viite (9. p.)Feldstein, Martin, ja Elena Ranguelova. Individual Risk in an Investment-based Social Security System. National Bureau of Economic Research, 2000.
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