Yao, Shujie; Liu, Zinan; Zhang, Zongyi - In: Economic Change and Restructuring 34 (2001) 1-2, pp. 139-57
This paper studies the spatial differences of grain production efficiencies in China using a panel data set on 30 provinces (cities) for the period 1987-92. A stochastic frontier production function is estimated to derive the technical efficiencies across the regions. The results suggest that...