Sue J. Lin 1, Chia Hao Liu2, Charles Lewis3

  • 1 Sustainable Environmental Research Center (SERC), Department of Environmental Engineering, National Cheng Kung University, Tainan 701, Taiwan
  • 2 Institute of Nuclear Energy Research, Lungtan, Taoyuan 32546, Taiwan
  • 3 Department of Resources Engineering, National Cheng Kung University, Tainan 701, Taiwan

Received: October 5, 2011
Revised: January 9, 2012
Accepted: January 9, 2012
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Cite this article:
Lin, S.J., Liu, C.H. and Lewis, C. (2012). CO2 Emission Multiplier Effects of Taiwan’s Electricity Sector by Input-output Analysis. Aerosol Air Qual. Res. 12: 180-190.



From 1990–2009, electricity has played a critical role in supporting industrial development and economic growth in Taiwan. In this study, a 42-sector input-output table provided the basis for examination of linkage effects among various sectors and electric industry concerning their CO2 emissions. These forward and backward linkage effects were inferred from analysis of the sensibility index of dispersion and the power index of dispersion. From results we suggest that, according to the CO2 multipliers and linkage effects, artificial fiber, coal products, cement, and land transportation are the top four CO2-intensive sectors related to electricity sector in Taiwan. It is worth noting that many sectors in Taiwan have larger indirect CO2 emissions than direct CO2 emissions. This finding provides a focal point for researchers and related governmental agencies to explore mitigations for CO2 reduction and to enhance effective environmental practices. Decision-makers from other countries with similar power plants may apply the similar approach and methodology to prioritize their strategies for abatement of CO2 emissions from the electricity sector.

Keywords: Input-output analysis; Multiplier effect; CO2 emission; Electricity sector; Inter-industry linkage

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