1. Climate Change Economics, West African Science Service Centre on Climate Change and Adapted Land Use (WASCAL), University of Cheikh Anta Diop, Dakar, Senegal
2. Center for Development Research, University of Bonn, Bonn, Germany
3. Department of Agricultural and Resource Economics, University for Development Studies, Tamale, Ghana
4. Center for African Studies, University of Florida, Gainesville, FL, USA