Journal of productivity analysis. 2004;21(3):277-296. doi: 10.1023/b:prod.0000022094.39915.cf Q21.82025
Estimation of Technical Inefficiencies with Heterogeneous Technologies
DOI: 10.1023/b:prod.0000022094.39915.cf
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Journal of productivity analysis. 2004;21(3):277-296. doi: 10.1023/b:prod.0000022094.39915.cf Q21.82025
DOI: 10.1023/b:prod.0000022094.39915.cf
摘要 查看摘要