1. Rural Economic Transformation Project (RETRAP), Ministry of Agriculture Monrovia Liberia
2. Humboldt Universität zu Berlin, Albrecht Daniel Thaer‐Institut für Agrar‐ und Gartenbauwiss Germany
3. Hans‐Ruthenberg Institute of Agricultural Science in the Tropics University of Hohenheim Stuttgart Germany
4. Department of Agricultural Economics University of Nairobi Nairobi Kenya