Affiliation: | 1. Grantham Research Institute, London School of Economics and Political Science, London, WC2A 2AE, UK 2. DIW, Mohrenstr. 58, 10117?, Berlin, Germany 3. Technical University Berlin, Berlin, Germany 4. ?ko-Institut, e.V. (Institute for Applied Ecology), Novalisstr. 10, 10115?, Berlin, Germany
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