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Aix-En-Provence: Universite d'Aix-Marseille, Centre d'Études du Tourisme, 1964
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Bern: Universität, Forschungsinstitut für Fremdenverkehr, 1963
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Bern, [ca. 1955]
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Bern: Buchdruckerei AG Berner Tagblatt, 1941
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Zürich: Polygraph. Verl., 1942
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München: Quint-Musikverlag, c 1954
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[S.l.]: SSRN, [2019]
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Cambridge, Mass: National Bureau of Economic Research, June 2016
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[S.l.]: SSRN, [2016]
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[S.l.]: SSRN, [2016]
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Munich, Germany: CESifo, Center for Economic Studies & Ifo Institute, [2019]
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Munich: Center for Economic Studies and ifo Institute (CESifo), 2019
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Munich: Center for Economic Studies and ifo Institute (CESifo), 2016
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Cambridge, Mass: National Bureau of Economic Research, November 2023
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Emerald, 1962
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Emerald, 1952
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JSTOR, 1966
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American Economic Association, 2022
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Elsevier BV, 2019
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Elsevier BV, 2016