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[S.l.]: SSRN, [2021]
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2018
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Munich: Center for Economic Studies and ifo Institute (CESifo), 2003
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1967
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[S.l.]: SSRN, [2021]
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[S.l.]: SSRN, 2005
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Munich: Center for Economic Studies and ifo Institute (CESifo), 2003
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Berlin: Wissenschaftszentrum Berlin für Sozialforschung (WZB), 2002
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Berlin, 2002
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Scandinavian University Press / Universitetsforlaget AS, 2018
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Elsevier BV, 2003
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Springer Science and Business Media LLC, 1973
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JSTOR, 1971
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Institute for Operations Research and the Management Sciences (INFORMS), 2010
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Springer Science and Business Media LLC, 1987
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Informa UK Limited, 2018
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Informa UK Limited, 2014
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Springer Science and Business Media LLC, 1973
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SAGE Publications, 2017
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Ovid Technologies (Wolters Kluwer Health), 2013