Research and Analysis by Bertram Kestenbaum
The quest for suitable indices to summarize the inequality between two groups has lagged behind the effort to obtain summary coefficients of within-group inequality. Numerous measures of within-group inequality were proposed, and their merits and shortcomings debated. Yet, apparently, at the same time, there was little exploration of alternative indices to the ratio-of-medians and ratio-of-means for measuring differences between groups.
A major policy issue for the Social Security program is the treatment of earnings of persons who have attained retirement age. This article discusses the retirement test and recomputation of benefit provisions, and provides statistical data for 1995.
In 1995, about 806,000 persons aged 65–70 had significant earnings resulting in the withholding of benefits by the retirement test. About 1,659,000 persons aged 65 or older realized an increase in their benefit amount because of their earnings.