Showing 1 - 10 of 69
Persistent link: https://www.econbiz.de/10012422652
The objective of this paper is to estimate the ecological efficiency of paper mills along the Huai River in China. The main characteristic of the ecological efficiency evaluation problem is that an undesirable output of biochemical oxygen demand (BOD) and a non-discretionary input (BOD emission...
Persistent link: https://www.econbiz.de/10005206289
Persistent link: https://www.econbiz.de/10012281463
Persistent link: https://www.econbiz.de/10011429026
Persistent link: https://www.econbiz.de/10011715569
Persistent link: https://www.econbiz.de/10011741314
Persistent link: https://www.econbiz.de/10011656893
Persistent link: https://www.econbiz.de/10011457126
Persistent link: https://www.econbiz.de/10012520825
Persistent link: https://www.econbiz.de/10012102608