Assistant Professor Allen Hyde in the School of History and Sociology co-authored "The Great Recession Index: A Place-based Indicator for Countries, States, and Metropolitan Areas" in the journal Social Indicators Research. The study found that "the initial shock of the [Great Recession] decreased the income share of upper-class households, but the aftershock of the Recession increased their income share, resulting in increased income inequality in the U.S. since the Recession."