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China's Regional Feedgrain Trade Patterns and Responses to Price Changes
Xin, Xian, (2002)
Institutional Effect on Changes in Chinese Foodgrain Production and Its Variability
Wan, Guang Hua, (1990)
Non-Parametric Estimation of Marginal Productivity, Returns to Scale and Production Elasticity
Wan, Guang Hua, (1993)