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中国的生产率与效率：1952-2000——基于时间序列的DEA分析
2008/1/9
【摘要】本文介绍了一个时间序列DEA模型，并运用时间序列DEA模型对中国1952-2000年生产率和效率的波动进行了实证分析。我们的主要结论有，在整个样本期内技术进步的平均增长率为正；总体效率和各种要素的效率在改革开放前增长率均为负，而改革开放后均为正值;特定要素强度指数在改革开放前除了劳动投入外增长率均为负，而改革开放后均为正值。关键词 数据包络分析 生产率 技术进步 技术效率 松弛效...
CALCULATING THE SCALE ELASTICITY IN DEA MODELS
Scale elasticity DEA production theory Farrell efficiency measures
2014/6/25
In economics scale propertiesof a production function is charcterised by the value of the scale elasticity. In the field of efficiency studies this is also a valid approach for the frontier production...
ARE ALL SCALES OPTIMAL IN DEA? THEORY AND EMPIRICAL EVIDENCE
Optimal scale scale elasticity data envelopment analysis (DEA) frontier production functions duals
2014/6/25
Policy recommendations concerning optimal scale of production units often have serious implications for the restructuring of a sector, while tests of natural monopoly have important implications for r...