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Bad Honnef: Wissenschaftliches Inst. für Kommunikationsdienste, 1997
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Seville: European Commission, Joint Research Centre (JRC), 2016
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Louvain-la-Neuve: European Regional Science Association (ERSA), 2014
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2023
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World Bank, Washington, DC, 2000
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Luxembourg: Publications Office of the European Union, February 2019
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International Finance Corporation, Washington, DC, 2017
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Baden-Baden: Nomos, 2010 ; Online-Ausg.
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World Bank, Washington, DC, 2002
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World Bank, Washington, DC, 2014
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World Bank, Washington, DC, 2010
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World Bank, Washington, DC, 2008
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World Bank, Washington, DC, 2003
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World Bank, Washington, DC, 2003
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World Bank, Washington, DC, 2001
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Washington, DC: World Bank, 2022
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Washington, DC, 2007
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Geneve: International Organization for Standardization, 2008
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Geneve: International Organization for Standardization, 2017
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2021