7Fan,Shenggen,2000,Research Investment and the Economic Returns to Chinese Agricultural Research,Journal of Productivity Analysis 14(92)
8Huang,Jikun,Scott Rezelle,and Mark W.Rosegrant,1999,China's Food Economy to the Twenty-first Century:Supply Demand,and Trade,Econo-mic Development and Cultural Change 47(4):737~766
7Fan,Shenggen,2000,Research Investment and the Economic Returns to Chinese Agricultural Research,Journal of Productivity Analysis 14(92)
8Huang,Jikun,Scott Rezelle,and Mark W.Rosegrant,1999,China's Food Economy to the Twenty-first Century:Supply Demand,and Trade,Econo-mic Development and Cultural Change 47(4):737~766