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The Chinese economy has been steadily growing since 1978. During most of the period energy intensity fell. Between 2002 and 2005 however energy intensity increased. In this paper we seek an answer for the overall decrease in energy intensity and temporary increase between 2002 and 2005. Index decomposition analysis is used to decompose energy intensity changes between 2000 and 2009 into three factors:...
Energy rebound effect theory provides supports for energy policies, which has become a hot research direction at home and abroad. In this paper, we conduct empirical research of energy rebound effect using 1978-2007 macroeconomic data at China's national and three industries level. The results show that: the average energy rebound effect of China during 1979-2006 is 58.24%, a little higher than most...
This paper applied the decomposition model of energy consumption index on the four-grade structure, from main-process stream to equipment, of a Chinese iron and steel plant (here after refers to plant A). Based on the data of energy consumption of plant A of resent years, the change of energy consumption per ton steel was decomposed into production factor and energy intensity factor, to analyze the...
Carbon tax is not only an important part of the environmental taxation system, but also an important tool of environmental economic policy. The theoretical basis of a carbon tax is to internalize externalities in order to avoid the Tragedy of the Commons in atmosphere. Carbon tax would greatly decrease CO2 emissions. It would restrain economic growth in the short term, but is conducive to the healthy...
The paper decomposed the energy intensity of Shanghai based on the adaptive weighted index decomposition method (AWD) into subdivided six sectional energy consumption in Shanghai. The results show that the main cause of decreasing energy intensity in Shanghai was the reduction of sectional energy intensity, and the structure effect from industrial structure adjustment was not obvious. Industry sector,...
Firstly, energy saving is defined as the difference between actual energy intensity and anticipated energy intensity. And a model for measuring and appraisal of energy saving is established by using Taylor series in the paper. Secondly, analysis shows that if anticipated energy intensity is given, energy saving should be influenced mainly by two factors-the growth rate of energy consumption and production...
We analyze trends in electricity use to fabricate typical Intel CPUs from 1995 to 2005. Two sets of energy consumption data for semiconductor fabrication were collected: from the annual survey of manufacturers (ASM) of the U.S. Census and annual reports from the Taiwanese semiconductor manufacturer UMC. Analysis indicates that the difference between the two data sources is small despite being very...
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