Affiliation: | 1. Department of Agricultural Economics and Agribusiness, Sokoine University of Agriculture, P.O. Box 3007, Morogoro, Tanzania 2. Institute of Socioeconomics, Leibniz Centre for Agricultural Landscape Research (ZALF), Eberswalder Str. 84, 15374, Müncheberg, Germany 3. Department of Economics, University of Dar es Salaam, P. O. Box 35045, Dar es Salaam, Tanzania 4. Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ), Dag-Hammarskj?ld-Weg 1-5, Eschborn, Germany
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