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There is a need for better evidence for the impact of plant breeding research on nutrient-rich crops such as pulses to guide policy-making and investment. Mungbean (Vigna radiata (L). Wilczek) is one of the major pulses of South and Southeast Asia and makes an important contribution to food security and agricultural sustainability. The objective of this study is to quantify impact of and returns on investment from international mungbean breeding research for Myanmar. This study applies the economic surplus model, which is a widely applied method to quantify the economic impact of agricultural technology adoption at the aggregate level. Sensitivity analysis is used to test some of the key assumptions underlying the method. All data come from secondary sources. Estimates of economic impact are combined with investment costs to quantify returns on investment. Four mungbean varieties coming out of international agricultural research and released by the national agricultural system of Myanmar created aggregate economic gains of USD 1.4 billion from 1980 to 2016 and this is projected to increase to USD 3.7 billion by 2030. International donors and the Myanmar government invested about USD 5 million in the country’s mungbean research and development over this period. The average dollar invested generated USD 92 in economic gains up to 2016 and this is expected to increase to USD 181 by 2030. The internal rate of return is 27%. There is a 20-year time lag between start of investment and start of economic benefits. International research into mungbean improvement led by the World Vegetable Center has created tremendous economic impact for Myanmar, most of it accruing to smallholder farm households and laborers contributing to the mungbean harvest. The unconditional sharing of plant genetic resources between national agricultural research systems in Asia was a key contributor to the success. It is important that this culture of sharing is maintained. The finding that agricultural research investment in mungbean gives high returns supports the case for diversifying investments into nutrient-rich crops to address Asia’s and the world’s nutritional and environmental challenges.

Impact and returns on investment of mungbean research and development in Myanmar