5Farrell M J. The Measurement of Productive Efficiency [ J ]. Journal of the Royal Statistical Society: Series A ( General), 1957, 120(3) : 253 - 290.
6Charnes A, Cooper W W, Rhodes E. Measuring the Efficiency of Decision Making Units[ J]. European Journal of Operation Research, 1978, 2 (6) : 429 -444.
7Kawagoe T, Hayami Y, Ruttan V W. The Intercountry Agricultural Production Function and Productivity Differences Among Countries [J]. Journal of Development Economics, 1985, 19 (1): 113- 132.
8Restuccia D, Yang D T, Zhu X D. Agriculture and Aggregate Productivity: A Quantitative Cross-country Analysis [ J ]. Journal of Monetary Economics, 2008, 55 (2) : 234 - 250.
9Ruttan V W. Productivity Growth in World Agriculture: Sources and Constraints [ J ]. Journal of Economic Perspectives, 2002, 16 (4) : 161 - 184.
10Haag S, Jaska P, Semple J. Assessing the Relative Efficiency of Agricultural Production Units in the Blackland Prairie, Texas [ J ]. Applied Economics, 1992, 24 (5) : 559 - 565.
