"On farm conservation of crop diversity poses obvious policy challenges in terms of the design of appropriate incentive mechanisms and possible trade-offs between conservation and productivity. This paper compares factors explaining the inter-specific diversity (diversity among species) and...

This analysis explores smallholder demand for hybrid maize seed by subsidy receipt. We test the hypothesis that the hybrid maize subsidy in Zambia is selectively biased due in part to its delivery mechanism and the self-selection of farmers who are able or choose to exercise their claim. Our...

The successful development and diffusion of improved maize seed in Zambia during the 1970s–80s was a major achievement of African agriculture but was predicated on a government commitment to parastatal grain and seed marketing, the provision of services to maize growers, and a...