Browsing by Author "Lee, Yao-Chun"

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Efficient saving targets of electricity and energy for regions in China
(2011-07-01)
Lee, Yao-Chun
;
Hu, Jin-Li
;
Kao, Chih-Hung
;
經營管理研究所
;
Institute of Business and Management
This paper computes the three major types of efficient electricity, coal, and gasoline oil savings for 27 regions in China during the period 2000-2003. The data envelopment analysis (DEA) with a single output (real GDP) and five inputs (labor, real capital stock, coal consumption, gasoline oil consumption, and electricity consumption) is used to compute the energy-saving targets of each region for each year. The efficient energy-saving ratios of each region in each year are obtained by comparing the actual energy inputs to target energy inputs. Our major findings are as follows: 1. The east area contains most of the efficient regions with respect to the three major types of energy in every year during the research period. 2. The east, central, and west areas have 2000-2003 average target saving ratios of coal consumption at 18.58%, 44.00%, and 59.80%, gasoline consumption at 13.43%, 22.70%, and 45.04%, and electricity consumption at 8.55%, 16.42%, and 43.70%, respectively. 3. Compared to the cases of gasoline oil and electricity, coal consumption saving is China's most urgent task. (C) 2011 Elsevier Ltd. All rights reserved.
Efficient three industrial waste abatement for regions in China
(2008-04-01)
Hu, Fin-Li
;
Lee, Yao-Chun
;
經營管理研究所
;
Institute of Business and Management
This paper computes efficient three industrial waste abatements (solid, water and gas) for 30 regions in China from 1996-2003. Data envelopment analysis (DEA) with a single output (real GDP) and five inputs (labour, real capital stock, solid wastes, waste water and waste gas) is used to compute the target wastes of each region for each year. The efficient abatement ratios of each region in each year are then obtained by comparing the actual waste to the actual waste of a pollutant. Our major findings are: 1. The east area contains the most efficient regions with respect to the three wastes in everyyear during the research period. 2. The east, central and west areas have 1996-2003 average target abatement ratios of solid wastes of 24.90%, 64.77% and 62.33%, ofwaste water 14.27%, 27.45% and 32.01%, and of waste gas 18.42%, 43.21% and 46.66%, respectively. 3. Because the central and west areas have similar critical problems on the three wastes, China is actually divided into two parts considering the three wastes. 4. Compared with the cases of waste water and gas, solid waste reduction is China's most urgent task.