Pardey, Philip G.Alston, JulianChan-Kang, ConnieHurley, TerranceAndrade, Robert SantiagoDehmer, StevenLee, KyuseonRao, Xudong2022-05-052022-05-05https://hdl.handle.net/10568/119478The shifting structure of agricultural R&D: Worldwide investment patterns and payoffs