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München: oekom verlag, [2016]
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Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2014
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2013
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[Vancouver]: Fraser Institute, November 14, 2019- / 2019-
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Vancouver, British Columbia: Fraser Institute, 2019
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Cambridge, Mass: National Bureau of Economic Research, 2020
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Cambridge, Mass: National Bureau of Economic Research, November 2022