Feldstein, M., & Liebman, J. (2000). The distributional effects of an investment-based social security system. National Bureau of Economic Research.
Cita Chicago (17th ed.)Feldstein, Martin, i Jeffrey Liebman. The Distributional Effects of an Investment-based Social Security System. Cambridge: National Bureau of Economic Research, 2000.
Cita MLA (9th ed.)Feldstein, Martin, i Jeffrey Liebman. The Distributional Effects of an Investment-based Social Security System. National Bureau of Economic Research, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.