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| Chen, Adam Zhuo; Huffman, Wallace E.; Rozelle, Scott. |
| This article examines technical efficiency of the Chinese grain sector using the framework of stochastic production frontier. The results reveal that: the marginal products of labor and fertilizer are much smaller than that of land; human capital and farm-level specialization have positive effect on efficiency, land fragmentation is detrimental to efficiency, and elder farmers are as efficient as younger farmers. We also examine the effects of size, mechanization and geographic location. Simulation results show that significant output gains can be obtained by eliminating land fragmentation, improving rural education and promoting specialization and mechanization. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Crop Production/Industries; Productivity Analysis. |
| Ano: 2003 |
URL: http://purl.umn.edu/22116 |
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| Chen, Adam Zhuo; Huffman, Wallace E.. |
| This article suggests that the two current approaches of summarizing curvature conditions for certain flexible function forms are neither intuitive nor robust to skewed distribution of exogenous variables. They also ignore the possible correlation pattern between exogenous variables. Arguing that the purpose of summarizing curvature condition is to provide either the changes of aggregated dependent variable with respect to a change of explanatory variable, or curvature conditions of a representative individual, this article proposes two methods to address this issue. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Research Methods/ Statistical Methods. |
| Ano: 2004 |
URL: http://purl.umn.edu/20013 |
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