For these reasons, impact assessment is being, and should continue to be, institutionalized in national and regional research organizations. Future impact assessments can improve by better communicating results, providing information on critical areas of needed TDT, and by defining those characteristics of the enabling environments that will help scientists to generate the greatest improvements in social well-being. The views expressed in this document are exclusively those of the authors. Summary of Recent Impact Assessments of African Agricultural Technology with Ex-Post Rates of Return. Based on econometric estimation of research impact on average yield.
National data show more rapid yield growth following independence.
Includes WVI extension and their costs.