Updated August 13, 2015: This new edition includes corrected estimates for Iceland, Luxembourg, the Netherlands and Taiwan, and some related aggregated data.

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Baicker, Katherine and Amitabh Chandra. 2005. “The Labor Market Effects of Rising Health Insurance Premiums.” Cambridge, MA: National Bureau of Economic Research, February. http://www.nber.org/papers/w11160

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Dang, Hai-Anh H., and Peter F. Lanjouw. 2014. “Welfare Dynamics Measurement: Two Definitions of a Vulnerability Line and their Empirical Application.” Washington, D.C.: World Bank, June. http://documents.worldbank.org/curated/en/2014/06/19705818/welfare-dynamics-measurement-two-definitions-vulnerability-line-empirical-application

Deaton, Angus. 2003. “Measuring Poverty in a Growing World (or Measuring Growth in a Poor World).” Cambridge, MA: National Bureau of Economic Research, July. http://www.nber.org/papers/w9822

Deaton, Angus, and Bettina Aten. 2014. “Trying to Understand the PPPs in ICP2011: Why Are the Results so Different?” Cambridge, MA: National Bureau of Economic Research, June. http://www.nber.org/papers/w20244

Dobbs, Richard, Jaana Remes, James Manyika, Charles Roxburgh, Sven Smit and Fabian Schaer. 2012. “Urban World: Cities and the Rise of the Consuming Class.” McKinsey & Company, June. http://www.mckinsey.com/insights/urbanization/urban_world_cities_and_the_rise_of_the_consuming_class

Dykstra, Sarah, Benjamin Dykstra and Justin Sandefur. 2014. “We Just Ran Twenty-Three Million Queries of the World Bank’s Website.” Washington, D.C.: Center for Global Development, April. http://www.cgdev.org/publication/we-just-ran-twenty-three-million-queries-world-banks-website-working-paper-362

Elsby, Michael W. L., Bart Hobijn, and Aysegul Sahin. 2013. “The Decline of the U.S. Labor Share.” Washington, D.C.: Brookings Institution. http://www.brookings.edu/~/media/Projects/BPEA/Fall-2013/2013b_elsby_labor_share.pdf?la=en

Ferreira, Francisco H.G., Julian Messina, Jamele Rigolini, Luis-Felipe Lopez-Calva, Maria Ana Lugo and Renos Vakis. 2012. “Economic Mobility and the Rise of the Latin American Middle Class.” Washington, D.C.: World Bank, November. http://elibrary.worldbank.org/doi/abs/10.1596/978-0-8213-9634-6

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Fukuyama, Francis. 2011. “Is There a Proper Sequence in Democratic Transitions?” Current History, November. http://www.currenthistory.com/Article.php?ID=921

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Luxembourg Income Study (LIS) Database, http://www.lisdatacenter.org (multiple countries; October 2014 to April 2015). Luxembourg: LIS.

Milanovic, Branko. 1999. “True World Income Distribution, 1988 and 1993: First Calculations, Based on Household Surveys Alone.” Washington, D.C.: World Bank, November. http://elibrary.worldbank.org/doi/book/10.1596/1813-9450-2244

Milanovic, Branko. 2011. The Haves and the Have-Nots. New York, NY: Basic Books.

Milanovic, Branko. 2014. “For Whom the Wall Fell? A Balance-Sheet of Transition to Capitalism.” Global Inequality, November. http://glineq.blogspot.com/2014/11/for-whom-wall-fell-balance-sheet-of.html

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Ravallion, Martin, Shaohua Chen and Prem Sangraula. 2009. “Dollar a Day Revisited.” Washington, D.C.: World Bank, June. http://elibrary.worldbank.org/doi/abs/10.1093/wber/lhp007

Savage, Mike, Fiona Devine, Niall Cunningham, Mark Taylor, Yaojun Li, Johs. Hjellbrekke, Brigitte Le Roux, Sam Friedman and Andrew Miles. 2013. “A New Model of Social Class: Findings from the BBC’s Great British Class Survey Experiment.” Sociology, April.

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