New & Renewable Energy (신재생에너지)

Korean Society for New and Renewable Energy (한국신·재생에너지학회)
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Study on the Relationship between CO2, Nuclear, and Renewable Energy Generation in Korea, Japan and Germany

CO2 배출, 원자력에너지, 신재생에너지 발전량과의 관계분석: 한국, 일본, 독일을 중심으로

  • Yun, Junghye (Department of Economics, Pusan National University) ;
  • Kang, Sangmok (Department of Economics, Pusan National University)
  • Received : 2020.06.03
  • Accepted : 2020.11.25
  • Published : 2020.12.25
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Abstract

This study analyzed the short- and long-term effects of nuclear and renewable energy generation on CO2 emissions in Korea, Japan, and Germany from 1987 to 2016 by using the unit root test, Johansen cointegration test, and ARDL model. The unit root test was performed, and the Johansen cointegration test showed cointegration relationships among variables. In the long run, in Germany, the generation of both nuclear and renewable energy was found to affect CO2 emission reduction, while South Korea's renewable energy generation, including hydropower, increased the emissions. Japan only showed significance in fossil fuels. In the short run, in the three countries, the generation of nuclear and renewable energy, excluding hydropower, affected CO2 emission. However, in Korea and Germany, nuclear and renewable energy generation, respectively, affected CO2 emission reduction. Although the rest are significant, the results showed that they increased CO2 emissions.

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