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...

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...

This working paper presents Chapter 7 of a book to be published for the National Bureau of Economic Research by the University of Chicago Press. The point of the book is to compare taxes on income from capital in four countries,accounting for corporate, personal, and property taxes, and...

This working paper presents Chapter 2 of a book that has been submitted to the University of Chicago Press for publication consideration. The point of the book is to compare taxes on income from capital infour countries,accounting for corporate, personal, and property taxes, and including...