PDF(3325 KB)
Eco-efficiency in the Bohai Rim area based on undesirable outputs and threshold regression model
Zenglin HAN, Ailing WU, Fei PENG, Jiaze SUN, Kang XIA
PROGRESS IN GEOGRAPHY ›› 2018, Vol. 37 ›› Issue (2) : 255-265.
PDF(3325 KB)
PDF(3325 KB)
Eco-efficiency in the Bohai Rim area based on undesirable outputs and threshold regression model
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