Measuring an individual's human capital at a point in time as the present actuarial value of expected net lifetime earnings has a lengthy history. Calculating such measures requires accurate estimates of worklife expectancy. Here, worklife estimates for men and women in the USA categorized by...

The concepts of an environmental Gini coefficient along with a measure of ''pollution elasticity'' are introduced and used to analyze the distribution of pollution across U.S. states from 1988 -- 1996. The special properties of the Gini coefficient allow one to decompose overall pollution...