[EJ-04-10]Biotechnology Boosts to Crop Productivity in China: Trade and Welfare Implications

作者：　　期刊： 　　来源：

作者：Huang, Jikun, Ruifa Hu, Hans van Meijl and Frank van Tongeren　　期刊：Journal of Development Economics, 75(2004), pp: 27-54.　　来源： ccap