2006 study by California State University, Sacramento, on how state budgeting changed after the enactment of Proposition 13.
2007 paper in the Journal of Experimental Criminology on the effectiveness of incarceration-based drug treatment in reducing drug relapse and recidivism.
2008 University of California, San Francisco, study on the causes behind the high rate of dental care among the state's Latino children.
2008 study by the International Monetary Fund quantifying if and how different groups influence immigration policy.
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.
2008 paper by the Widener University School of Law on approaches for realizing the potential benefits of energy efficiency in the United States.
2007 meta-analysis by Amsterdam University of U.S. and international studies on transit stations' effect on property values.
2009 University of Texas metastudy on the cost, operational characteristics, and land-use impacts of different mass-transit technologies.
2009 meta-analysis by the Institute of Medicine of 11 U.S. and European studies on the health effects of smoking bans.