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The Calculation of Carbon Footprint Embodied in International Trade: A Multi-Regional Input-Output Analysis

국제무역에 함유된 탄소이력(carbon footprint)의 측정과 분석: MRIO모형의 응용

  • Received : 2012.10.08
  • Accepted : 2012.11.15
  • Published : 2013.03.31

Abstract

The recent analyses of carbon emissions embodied in international trade are related with discussions on who is responsible for the carbon emissions causing global warming. Some authors insist that the countries importing carbon-intensive goods should share the responsibility with the suppliers of those goods. In order to determine which countries are net importers of carbon dioxide embodied in traded goods, we need to construct the multi-regional input-output (MRIO) model incorporating national input-output tables and data on bilateral trades. The paper calculates consumption-based as well as production-based inventories by using MRIO model whose global database is GTAP version 8 to get the picture of carbon footprints in international trades of Korea and other regions in the world.

국제무역에 함유된 탄소이력에 대한 연구는 탄소배출의 궁극적인 책임소재에 관한 논란과 연관되어 있다. 지구온난화를 늦추기 위한 범세계적인 노력의 일환으로 수행되는 국가온실가스배출량 집계에 소비에 함유된 탄소배출을 어떤 방식으로든 일부나마 반영하여야 한다는 주장이 제기되고 있다. 본 연구에서는 최근에 발표된 GTAP의 자료기반으로부터 다지역 투입-산출 분석을 위한 각 지역의 투입-산출표를 구성해서 각 지역의 생산과 소비에 함유된 탄소배출량, 따라서 국제무역에 함유된 탄소이력을 측정하였다. 또한 이와 관련된 각 지역의 수출과 수입의 탄소집약도를 분석하고 각 지역의 국민소득이 증가할 때 한국과 세계 전체의 탄소배출량 및 한국의 탄소무역수지에 미치는 효과를 계산하였다. 한국은 에너지 연소로 인한 탄소배출에 관한 한 이산화탄소의 순수입국이나 소비기반 배출량과 생산기반 배출량의 차이가 크지 않은 탄소무역수지 균형에 가까운 것으로 평가되었고 한국의 주요 교역대상국인 선진국들은 탄소무역수지 적자국이며 개발도상국들은 탄소무역수지 흑자국으로 평가되었다.

Keywords

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