Technical Notes Impact SPIA Issued on 2025 Interpolating and Extrapolating Impact Estimates: Implications of Ex Post Impact Evaluation Evidence for Projecting Benefits Ex Ante Ricardo Labarta, Travis J. Lybbert, Astewale Melaku, Madeleine Walker, Chunhao Yang.
Technical Notes Impact SPIA Issued on 2025 Does An Innovation’s Reach Reveal Anything About Its Impact? Under The Right Conditions: Possibly Brooks, M., Lybbert, T.J., & Walker, M.
Technical Notes Impact SPIA Issued on 2025 Estimating the Reach of Biofortified Crops to Farm Households: The HarvestPlus Model vs. National Sampling and Genotyping in Uganda Labarta, R., Lybbert, T.J., & Stevenson, J.
Briefs Impact SPIA Issued on 2025 Agricultural innovations during economic transformation: Insights from SPIA country studies Stevenson, J.
Reference Materials Impact SPIA Issued on 2025 SPIA Uganda Report 2025: Agricultural Diversity Under Stress John Ilukor, Emmanuel Letaa, Amit Khanal, Julio Barros, Lemi Taye, Davis Gimode, Giulia Ponzini, Godfrey Asea, Vincent Ssennono, James Stevenson, Travis Lybbert, Karen Macours
Evaluation Reports & Reviews Impact SPIA Issued on 2025 Evaluation of SPIA’s 2019-2024 Program of Work: Final report Nancy Johnson
Reference Materials Impact SPIA Issued on 2025 SPIA Uganda Report 2025 (First Version) Ilukor, J., Letaa, E., Khanal, A., Barros, J., Taye, L., Gimode, D., Ponzini, G., Asea, G., Ssennono, V., Stevenson, J., Lybbert, T., Macours, K.
Briefs Impact SPIA Issued on 2025 SPIA Vietnam Report 2024 (2-Pager Brief) Visaria, S., Kosmowski, F.
Briefs Impact SPIA Issued on 2025 SPIA Brief: Uganda Report 2025 - Agricultural Diversity Under Stress Stevenson, J., Macours, K.
Strategic & Synthesis Studies Impact SPIA Issued on 2024 SPIA Ethiopia Report 2024: Building Resilience to Shocks Solomon Alemu, Alemayehu Ambel, Amit Khanal, Frederic Kosmowski, James Stevenson, Lemi Taye, Asmelash Tsegay, Karen Macours
