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[S.l.]: SSRN, [2015]
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Berlin: Bundesministerium für Wirtschaft und Energie, 2013
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[S.l.]: SSRN, [2013]
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[S.l.]: SSRN, [2013]
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[S.l.]: SSRN, [2010]
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Cambridge, Mass: National Bureau of Economic Research, April 2010
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[S.l.]: SSRN, [2010]
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[S.l.]: SSRN, [2010]
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[S.l.]: SSRN, [2010]
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Cambridge, Mass: National Bureau of Economic Research, November 2010
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[S.l.]: SSRN, [2011]
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[S.l.]: SSRN, [2010]
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[S.l.]: SSRN, [2010]
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[S.l.]: SSRN, [2011]
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[S.l.]: SSRN, [2011]
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[S.l.]: SSRN, [2010]
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Cambridge, Mass: National Bureau of Economic Research, April 2010
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[S.l.]: SSRN, [2010]
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[S.l.]: SSRN, [2010]
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[S.l.]: SSRN, [2010]