Journal of productivity analysis. 2003;20(2):213-229. doi: 10.1023/a:1025184306832 Q21.82025
Adapting Productivity Theory to the Quadratic Cost Function. An Application to the Spanish Electric Sector
将生产率理论应用于二次成本函数。西班牙电力行业的应用
DOI: 10.1023/a:1025184306832
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