Affiliation: | 1. Institute of Socioeconomics, Leibniz-Centre for Agricultural Landscape Research (ZALF), Eberswalder Str. 84, 15374, Müncheberg, Germany 3. 4C Association, Adenauerallee 108, 53113, Bonn, Germany 2. Division of Resource Economics, Humboldt University, Berlin, Berlin, Germany 4. International Potato Center, Avenida La Molina 1895, Lima, Peru 5. Institute for Agricultural Social Science, University of Hohenheim, Stuttgart, Germany
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