National report of Ethiopia to Rio 2012. Grasslands of the World, FAO, Rome. Climate change and the Ethiopian economy: A computable general equilibrium analysis. Discussion Paper Series EfD DP 11-09, Environment for Development. Economic Reforms and Soil Degradation in the Ethiopian Highlands: A Micro CGE Model with Transaction Costs, Department of Economics and Social Sciences. World Economic Outlook 2012, IMF, Washington DC.