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Washington, DC: The World Bank, June 2012
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World Bank, Washington, DC, 2001
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World Bank, Washington, DC, 2009
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Cambridge, Mass: National Bureau of Economic Research, October 2022
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Washington, D.C: The World Bank, 2008 ; Online-Ausg.
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Washington, D.C: The World Bank, 2007 ; Online-Ausg.
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Washington, D.C: The World Bank, 2006 ; Online-Ausg.
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Washington, D.C: The World Bank, 2006 ; Online-Ausg.
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Washington, D.C: The World Bank, 2005 ; Online-Ausg.
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Washington, D.C: The World Bank, 1999 ; Online-Ausg.
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Cambridge, Mass: National Bureau of Economic Research, December 2023
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World Bank, Washington, DC, 2000
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World Bank, Washington, DC, 2000
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World Bank, Washington, DC, 2015
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World Bank, Washington, DC, 2017
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World Bank, Washington, DC, 2003
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New York, NY, USA: United Nations, Department of Economic and Social Affairs, 2021
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World Bank Group, Washington, DC, 2015
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World Bank, Washington, DC, 2015
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2021