2006 Princeton University study on the relationship between growing income inequality and increasing political divisions in the United States.
Study by researchers from Harvard, Vanderbilt and Brigham and Women's Hospital on the rate of hearing loss among U.S. adolescents.
2010 University of Wisconsin study on the results of mandatory financial education among very low-income families in a subsidized housing program.
2009 study by the Harris School of Public Policy on the effects of participation in the Food Stamp program on recipients' health
2010 study published in the New England Journal of Medicine on the effects of a school-based program addressing risk factors for diabetes and obesity.
2009 Duke University and the University of Maryland study looking at school characteristics that influence the level of crime.
2010 Cornell University study done for the National Bureau of Economic Research on the effect of health insurance on trends in income inequality.
2009 Brookings Institution study on the nature of the increase in poverty in the United States between 2000 and 2008.
2008 study for the National Bureau of Economic Research on the effect of immigration on labor market outcomes for native elderly workers.
2009 National Bureau of Economic Research paper on the relationship between early exposure to violence and later problems such as substance abuse and delinquency.