Alene, Arega D.; Menkir, Abebe; Ajala, S. O.; … - In: Agricultural Economics 40 (2009) 5, pp. 535-550
This article assembles the results of three multicountry surveys on variety performance and adoption patterns to measure the impacts of maize research in West and Central Africa from 1981 to 2005, and uses cost data since 1971 to compute social rates of return on public investments in maize...