Signaling, screening, or sunk costs? Experimental evidence on how prices affect agricultural technology adoption in East Africa
By Bjorn Van Campenhout, Gashaw Abate, Liesbeth Colen, and Berber Kramer November 20, 2025 Smallholder farmers in sub-Saharan Africa face growing pressure to produce more on less land while contending with worsening impacts of climate change. The need for sustainable intensification has rekindled calls for a “Green Revolution” in the region, centered on the widespread adoption of modern inputs such as hybrid seeds and