Institution: | 1. Humboldt-Universität zu Berlin, Faculty of Agriculture and Horticulture, Institute of Agricultural Economics and Social Sciences, Chair of Agricultural Extension and Communication, Luisenstrasse 53, 10117 Berlin, Germany;2. Georg-August Universität Göttingen, Research Centre for Agriculture and the Environment (ZLU), Am Vogelsang 6, 37075 Göttingen, Germany;3. Environmental and Resource Economics Group, Department of Agricultural Economics and Rural Development, Georg-August Universität Göttingen, Platz der Göttinger Sieben 5, 37073 Göttingen, Germany |