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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Cingano, Federico. 2014. “Trends in Income Inequality and its Impact on Economic Growth.” Paris, France: Organization for Economic Cooperation and Development, December. http://www.oecd-ilibrary.org/social-issues-migration-health/trends-in-income-inequality-and-its-impact-on-economic-growth_5jxrjncwxv6j-en

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Dabla-Norris, Era, Kalpana Kochhar, Nujin Suphaphiphat, Frantisek Ricka and Evridiki Tsounta. 2015. “Causes and Consequences of Income Inequality: A Global Perspective.” Washington, D.C.: International Monetary Fund, June. http://www.imf.org/external/pubs/ft/sdn/2015/sdn1513.pdf

Dadush, Uri, and William Shaw. 2011. “Juggernaut: How Emerging Markets Are Reshaping Globalization.” Washington, D.C.: Carnegie Endowment for International Peace. http://carnegieendowment.org/files/juggernaut_final.pdf

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

Financial Times. 2014. “World Bank Eyes Biggest Global Poverty Line Increase in Decades.” London, U.K.: May. http://www.ft.com/cms/s/0/091808e0-d6da-11e3-b95e-00144feabdc0.html#axzz3UIjx1SGl

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

Government of India Planning Commission. 2014. “Report of the Expert Group to Review the Methodology for Measurement of Poverty.” June. http://planningcommission.nic.in/reports/genrep/pov_rep0707.pdf

Hout, Michael. 2007. “How Class Works in Popular Conception: Most Americans Identify with the Class Their Income, Occupation, and Education Implies for Them.” Berkeley, CA: Survey Research Center, February. http://ucdata.berkeley.edu/publication_record.php?recid=96

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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

Milanovic, Branko, and Shlomo Yitzhaki. 2002. “Decomposing World Income Distribution: Does the World Have a Middle Class?” Review of Income and Wealth, June. http://www.roiw.org/2002/155.pdf

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Ostry, Jonathan D., Andrew Berg and Charalambos G. Tsangarides. 2014. “Redistribution, Inequality, and Growth.” Washington, D.C.: International Monetary Fund, February. http://www.imf.org/external/pubs/ft/sdn/2014/sdn1402.pdf

Pew Research Center. 2012. “The Lost Decade of the Middle Class.” Washington, D.C.: August. https://www.pewresearch.org/social-trends/2012/08/22/the-lost-decade-of-the-middle-class/

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.

Sosa, Sebastian, and Evridiki Tsounta. 2013. “A Bumpy Road Ahead.” Finance & Development, September. http://www.imf.org/external/pubs/ft/fandd/2013/09/sosa.htm

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