Affiliation: | 1. Farm Management Group, Department of Agricultural Economics and Rural Development, Faculty of Agricultural Sciences, Georg‐August‐University G?ttingen, G?ttingen, Germany;2. +49 (0) 551 39‐9321+49 (0) 551 39‐22030;3. +49 (0) 551 39‐4842+49 (0) 551 39‐22030 |