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...

Recent and proposed changes in the social security statutes can have profound effects on worker behavior and on pensions themselves. In the context of an optimal lifetime compensation plan, pensions depend on efficient dates of retirement. To the extent that changes in social security affect the...

Earlier claims that pensions serve as severance pay are corroborated by a new data set drawn from the 1980 Banker's Trust corporate pension plan study. A model is developed that shows how pension values which vary with the age of retirement make both workers and firms better off by moving the...

This paper argues that pensions are used as severance pay devices in an efficient compensation scheme. The major points of the study are: (1) Severance pay, which takes the form of higher pension values for early retirement, is widespread. (2) A major reason for the existence of pensions is the...

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...

Demographic change has differential impacts on the welfare of current and future generations. In a simple closed economy, aging -- a relative scarcity of young workers -- increases wages, increasing the welfare of the young. At the same time, population aging will reduce rates of return to...