This paper uses a lifetime framework to address questions about the progressivity of social security and proposed reforms. We use a large sample of diverse individuals from the PSID to calculate lifetime income, to classify individuals into income quintiles, and then to calculate the present...

How much does the current social security system really redistribute from rich to poor? We use the PSID to estimate lifetime wage profiles and actual earnings each year for a sample of 1778 individuals, and we use mortality probabilities to calculate expected payroll taxes and social security...

Building on the existing literature that examines the extent of redistribution in the Social Security system as a whole, this paper focuses more specifically on how Social Security affects the poor. This question is important because a Social Security program that reduces overall inequality by...

Because its benefit formula replaces a greater fraction of the lifetime earnings of lower earners than of higher earnings, Social Security is generally thought to be progressive, providing However, much of the intra-cohort redistribution in the U.S. Social Security system is related to factors...

This paper, a forthcoming chapter in the Handbook of Public Economics, reviews the theoretical and empirical issues dealing with Social Security pensions. The first part of the paper discusses pure pay-as-you-go plans. It considers the effects of introducing such a plan on the present value of...

The degree to which the Social Security tax distorts labor supply depends on the extent to which individuals perceive the link between current earnings and future Social Security benefits. Some Social Security reform plans have been motivated by an assumption that workers fail to perceive this...