8Juliano J. A., Maitreesh G. Can unobserved heterogeneity in farmer ability explain the inverse relationship between farm size and productivity[J].Economics Letters, 2003, 80: 189 - 194.
9Maru S, Marcel R. Impacts of large-scale farming on local communities’ food security and income levels-Empirical evidence from Oromia Region, Ethiopia[J].Land Use Policy, 2015, 47: 282 - 292.
10Klaus D, Jin S. J., Xia F., et al. Moving off the farm: Land institutions to facilitate structural transformation and agricultural productivity growth in China[J].World Development, 2014, 59: 505 - 520.
