1. Department of Human Nutrition and Consumer Sciences Sokoine University of Agriculture Morogoro Tanzania
2. College of Economics and Business Studies Sokoine University of Agriculture Morogoro Tanzania
3. Leibniz Centre for Agricultural Landscape Research (ZALF e.V.) Müncheberg Germany
4. Department of Agricultural Economics, Faculty of Life Sciences Thaer‐Institute Humboldt‐Universität zu Berlin Berlin Germany