List of Contributors Preface Introduction; K.P.Kalirajan and Y.Wu Stochastic Frontier Production Functions and Technical Efficiency Measurements: A Review; K.P.Kalirajan & R.T.Shand Productivity and Growth in China: A Review; Y.Wu & H.Yang The Impacts of Economic Reforms on Agricultural Growth; T.Nguyen & H.X.Wu Productivity and Efficiency: A Three Sector Comparison; Y.Wu On Explaining Rural Sectors' Productivity Growth; X. Wang & K.P.Kalirajan Has Grain Production Reached its Potential?; K.P.Kalirajan & Y.Huang Regional Grain Productivity; H.Yang Productivity Gain of Farmer Education: Fact or Fiction?; T.Nguyen & E.Cheng Do the Chinese Grain Farmers Maximise Profits?; K.P.Kalirajan & Y.Huang Food Security in China: Self Sufficiency or International Cooperation; R.Garnaut Index