Edward Wolff is a Professor of Economics at New York University. He is also a research associate at the National Bureau of Economic Research. He served as managing editor of the Review of Income and Wealth from 1987 to 2004 and was a council member of the International Association for Research in Income and Wealth from 1987 to 2012. He is the author (or co-author) of numerous books, including: Growth, Accumulation, and Unproductive Activity (Cambridge University Press, 1987), The Transformation of the American Pension System: Was It Beneficial for Workers? (2011) and Productivity Growth: Indus...