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Bonn, Germany: IZA - Institute of Labor Economics, December 2021
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Bonn: Institute of Labor Economics (IZA), 2021
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[Washington, DC]: Inter-American Development Bank, Education Division, Social Protection and Health Division, November 2020
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Washington, DC: Inter-American Development Bank (IDB), 2020
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2021
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Washington, D.C: The World Bank, 2007 ; Online-Ausg.
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[Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 2005
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World Bank, Washington, DC, 2000
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Bonn: Institute of Labor Economics (IZA), 2017
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Mannheim: Zentrum für Europäische Wirtschaftsforschung (ZEW), 2007
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London: Queen Mary University of London, Department of Economics, 2007
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World Bank, Washington, DC, 2014
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Munich: ifo Institute - Leibniz Institute for Economic Research at the University of Munich, 2011
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Washington, DC, 2010
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Berlin: Deutsches Institut für Wirtschaftsforschung (DIW), 2018
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World Bank, Washington, DC, 2012
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Washington, DC: World Bank, 2016
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World Bank, Washington, DC, 2016
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Köln: Institut der deutschen Wirtschaft Köln e. V., [2021]
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World Bank Group, Washington, DC, 2014