Aid for trade programmes have a critical role to play along all of these policies. However, the importance of agriculture varies considerably among developing countries even within one region: for example, agriculture accounts for 71% of the national GDP in Liberia, 57% in Guinea-Bissau, and 52% in the Democratic Republic of the Congo but less than 8% in oil-rich, middle-income countries like Gabon, the Republic of Congo, and Equatorial Guinea (USAID, 2011). A declining share for agriculture in national employment and GDP is an inevitable consequence of economic progress (Byerlee et al.,