Impact of modern agricultural technologies on smallholder welfare: Evidence from Tanzania and Ethiopia

► We examine the impact of improved agricultural technologies on household welfare. ► We use cross-sectional survey data collected from Ethiopia and Tanzania. ► Endogenous switching regression is used to correct for unobservable selection bias. ► Adoptions of improved varieties have had a significant positive impact on welfare. ► Access to seed, information, and perception are key constraints for adoption.