When food prices shoot over import parity, this often leads to social and political unrest and even the toppling of governments. If markets behaved efficiently and in the absence of trade barriers, food prices should not exceed the price in world markets plus the cost of importing it to domestic...

Rapid urbanization in Zambia means that increasingly heavy demands are being placed on urban food marketing systems. Investment in these systems has been woefully inadequate for many decades, creating supply bottlenecks and health hazards that work against the interests of both farmers and...

The statistical measures used by the U.S. Department of Agriculture since 1995 to monitor the food security of the Nation’s households—the extent to which they can consistently acquire adequate food for active healthy living—are based on a single-parameter logistic latent-trait measurement...

Zambia’s maize crop grew by roughly 48% between the 2009 and 2010 harvests, leading to the largest crop recorded in recent history. The 2009 maize harvest was also very good, making the 48% rise in 2010 even more remarkable. The forces driving that increase, however, remain widely debated....