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Incorporating both undesirable outputs and uncontrollable variables into DEA : the performance of Chinese coal-fired power plants
Yang, Hongliang; Pollitt, Michael G. - In: European journal of operational research : EJOR 197 (2009) 3, pp. 1095-1105
Persistent link: https://www.econbiz.de/10003839571
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Incorporating undesirable outputs into Malmquist TFP indices with an unbalanced data panel of Chinese power plants
Yang, Hongliang; Pollitt, Michael G. - In: Applied economics letters 19 (2012) 1/3, pp. 277-283
Persistent link: https://www.econbiz.de/10009412606