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World Bank, Washington, DC, 2014
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Washington, DC: World Bank Group, 2014
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World Bank, Washington, DC, 2013
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World Bank, Washington, DC, 2013
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Washington, DC: World Bank, 2012
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World Bank, Washington, DC, 2011
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World Bank, Washington, DC, 2011
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World Bank, 2011
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World Bank, Washington, DC, 2011
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World Bank, Washington, DC, 2011
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World Bank, Washington, DC, 2010
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[S.l.]: SSRN, [2012]
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Elsevier BV, 2014
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The Royal Society, 2017
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THE ROYAL SOCIETY, 2017
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Wiley, 2011
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Population Association of America, 2008
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Duke University Press, 2008
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Springer Science and Business Media LLC, 2004
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Canadian Science Publishing, 2001