Aarhus University, Aarhus University, University of California, Berkeley, Université d'Abomey-Calavi (UAC), affiliation not provided to SSRN, University of Lome, affiliation not provided to SSRN, Cheikh Anta Diop University of Dakar, Université du Québec en Abitibi Témiscamingue, Univ Montpellier - CIRAD, Kwame Nkrumah University of Science and Technology, Ghana, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Université d'Abomey-Calavi (UAC) - Laboratory of Applied Ecology, affiliation not provided to SSRN, Aarhus University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Université de Parakou, affiliation not provided to SSRN, Université Joseph Ki-Zerbo, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, ETH Zürich - Institute of Rural Economy, Ghent University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Aarhus University