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Munich: Center for Economic Studies and ifo Institute (CESifo), 2017
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Bonn: Institute of Labor Economics (IZA), 2017
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Munich, Germany: CESifo, Center for Economic Studies & Ifo Institute, August 2021
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Berlin, Germany: German Socio-Economic Panel (SOEP), DIW Berlin, [2021]
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Bonn, Germany: IZA - Institute of Labor Economics, August 2021
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Berlin: Deutsches Institut für Wirtschaftsforschung (DIW), 2021
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Munich: Center for Economic Studies and ifo Institute (CESifo), 2021
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Bonn: Institute of Labor Economics (IZA), 2021
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World Bank, Washington, DC, 2012
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Washington, DC: World Bank, 2013
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World Bank Group, Washington, DC, 2014
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World Bank, Washington, DC, 2012
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Washington, DC, 2010
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Washington, DC, 2014
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Washington, DC, 2008
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World Bank Group, Washington, DC, 2014
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World Bank Group, Washington, DC, 2014
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Washington, DC: World Bank, 2014
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World Bank, 2011
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Washington, DC: World Bank, 2013