Agriculture plays a major role in the economies of most Sub-Saharan African countries – creating employment, boosting GDP and supporting the livelihoods of many of the region’s poorest households. Yet the region has gone from being a net food exporter to a net food importer over the last four decades. Ensuring an adequate supply of food is a major challenge and governments have employed a range of pricing and procurement measures in an effort to achieve this, with varying degrees of success.