The effect of high-yielding variety on rice yield, farm income and household nutrition: evidence from rural Bangladesh

Abstract Background High-yielding variety (HYV) seed breeding has been one key approach to improving agricultural productivity and reduce global hunger poverty. This paper explores the causal relationship between high-yielding rice variety, productivity, farm income household nutrition. A challenge with evaluating impact of changes such as crop varieties on yield is self-selection endogeneity. article robustly identifies marginal input contributions, correcting for potential by applying matched Difference in method. Results We found that farms switched from local HYV, experienced around 35% higher 76% profit Aman than non-adopting farms. More calorie intake, more protein especially fruit vegetable intake meant less poverty adopted households. Conclusion recent evidence suggests improved remains a high return investment regions world where smallholder farming malnutrition wider phenomenon.