The document summarizes three studies that examined nonprofit wage data and found contradictory results about whether nonprofit workers earn more or less than workers in other sectors. The studies used different data sources, analyzed data at different time periods, and had different focuses. Specifically: 1) One study from 1994-1998 found nonprofit workers earned more, using individual-level data. 2) A second study from 2002-2004 also found higher nonprofit wages, analyzing data at the organizational level. 3) A third study from 2007 found nonprofit workers earned less, looking at wages by occupation using more recent data. The document explores possible reasons for the contradictory findings, such as the different units and timeframes of analysis across the