Financing retirement -- Were they prepared for retirement? : financial status at advanced ages in the HRS and AHEAD cohorts / James M. Poterba, Steven F. Venti, and David A. Wise ; comment, David Laibson -- Economic preparation for retirement / Michael D. Hurd and Susann Rohwedder ; comment,...

Recent work has documented a rising degree of wealth inequality in the United States between 1983 and 1998. In this paper, we look at another dimension of the distribution, polarization. Using techniques developed by Esteban and Ray (1994) and further extended by D'Ambrosio (2001), we examine...