Journal of productivity analysis. 1998;10(3):235-250. doi: 10.1023/a:1018671204816 Q21.82025
Non-Parametric Estimation of Technical Progress
技术进步的非参数估计
DOI: 10.1023/a:1018671204816
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Journal of productivity analysis. 1998;10(3):235-250. doi: 10.1023/a:1018671204816 Q21.82025
DOI: 10.1023/a:1018671204816
摘要 查看摘要