Robert S. Rycroft is Professor Emeritus of Economics at the University of Mary Washington, USA. His published works include Inequality in America: Causes and Consequences (2025),The Economics of Inequality (2024), Discrimination, Poverty and Mobility (2009), The American Middle Class: An Economic Encyclopedia of Progress and Poverty (2017), and The Economics of Inequality, Poverty, and Discrimination in the 21st Century (2013).