Factors affecting CO<sub>2</sub> emission change

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  • CO<sub>2</sub>排出量変化要因の多国間比較
  • CO₂排出量変化要因の多国間比較 : 鉄鋼業と機械製造業の事例研究
  • CO ₂ ハイシュツリョウ ヘンカ ヨウイン ノ タコクカン ヒカク : テッコウギョウ ト キカイ セイゾウギョウ ノ ジレイ ケンキュウ
  • 鉄鋼業と機械製造業の事例研究
  • Case study for steel and machinery industry

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Abstract

This study clarifies the factors affecting CO2 emission change at steel industry and machinery industry in U.S., Japan, China, and Germany. We apply logarithm mean Divisia index to decompose the change of CO2 emission and CO2 emission per added value from 1995 to 2005. We show that CO2 emission had been reduced from 1995 to 2005 due to carbon intensity decrease and energy efficiency improvement in U.S. and Germany. Additionally, we find China had been reduced CO2 emission per added value due to energy efficiency improvement.

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