About Gregg M. Olsen Gregg M. Olsen is professor of sociology in the Department of Sociology and Criminology at the University of Manitoba. His other books include The Politics of the Welfare State and Power and Inequality. Books by Gregg M. Olsen Poverty and Austerity amid Prosperity A Comparative Introduction by (author) Gregg M. Olsen Power and Inequality A Comparative Introduction by (author) Gregg M. Olsen