Although farmers in the Malian Sahel depend on millet for survival, demand and supply constraints have impeded their use of certified seed. We use data collected from households, vendors and seed samples to test the way market purchases of grain and seed affect household food consumption and...

Maize originated in Mexico, where it is typically grown in association with other crops in the <italic>milpa</italic> system. This ancient mode of production is practiced today in ways that vary by cultural context and agro-environment. We use a choice experiment to estimate farmers' valuation of three...

This study examines farmers’ preferences for seed of new rice varieties (improved and NERICA) and their willingness to pay (WTP) for information embodied in the seed, in villages of Nigeria and Benin. Information might not generate rivalry among its users but excludability is certainly a...