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Decomposition Analysis of the Reduction in CO2 Emissions from Seven OECD Countries

OECD 7개 국가의 CO2 배출량 감소요인 분해 분석

  • Cho, Hyangsuk (Department of Economics, Sungkyunkwan University)
  • 조향숙 (성균관대학교 경제학과)
  • Received : 2016.10.28
  • Accepted : 2017.02.10
  • Published : 2017.03.31

Abstract

This study investigates a decomposition analysis of the determinants of the reduced $CO_2$ emissions in seven OECD countries that implemented carbon taxes from 1995 to 2013. Recent studies on decomposition analysis of changes in $CO_2$ emissions focused on technology-based physical factors; however, this study analyzes the effects of a carbon tax as an economic factor. According to the results obtained by using the Log Mean Divisia Index, the energy intensity effect and the carbon tax effect contributed the most towards the reduction of total $CO_2$ emissions in the seven OECD countries. The results for each country show that the emissions decreased due to the energy intensity effect, while the effects of carbon tax and carbon tax revenues differed by policy and environment of the countries.

본 연구에서는 탄소세를 시행하고 있는 OECD 7개 국가를 대상으로 1995년부터 2013년 기간 동안 $CO_2$ 배출량 감소에 영향을 미치는 주요 요인에 대해 분해 분석을 실시하였다. 최근까지 진행된 $CO_2$ 배출량 변화에 대한 분해 분석 연구들은 기술에 기반을 둔 물리적인 요소에만 초점을 맞추고 있으나 본 연구는 경제적 감축수단인 탄소세의 효과를 반영하여 배출량 변화요인을 분석하였다. 로그 평균 디비지아 지수(Log Mean Divisia Index, LMDI)를 이용하여 분석한 결과, OECD 7개 국가의 총 $CO_2$ 배출량 감소에 가장 큰 기여요인은 에너지 집약도 효과와 탄소세 정책 효과로 나타났다. 다음으로, OECD 7개 국가별 분해분석 결과 에너지 집약도 효과가 배출량 감소에 가장 큰 영향을 주는 것으로 나타났으나, 탄소세 정책효과와 탄소세 세수효과는 국가별 정책 상황과 여건에 따라 상이하게 나타나는 결과를 보였다.

Keywords

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