2010 meta-study in the American Journal of Public Health on the broader consequences of raising alcohol prices.
2009 metastudy by the University of Florida examining the reported effects of alcohol price/taxes on purchasing and consumption habits.
2010 metastudy by researchers from the University of Queensland on the findings from 35 different studies of speed cameras.
2009 metastudy in the Journal of Sleep Research on the relationship between sleep duration and mortality, based on 23 separate research papers
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.
2008 meta-study by the Environmental Defense Fund of the economic cost of cap-and-trade legislation to combat climate change.
2009 meta-analysis by the Institute of Medicine of 11 U.S. and European studies on the health effects of smoking bans.
2007 McMaster University survey published in Open Medicine comparing 38 studies that look at outcomes of medical care in the two countries.
2004 American Education Research Association study in the Review of Education Research comparing the results of 232 studies of distance education.