Environmental and Resource Economics Review (자원ㆍ환경경제연구)

Korean Resource Economics Association (한국자원경제학회)
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An Analysis on Shadow Price, Substitutability, and Productivity Growth Effect of Non-Priced Renewable Energy in the Korean Manufacturing Industries

국내 제조업에 대한 비가격 신재생에너지의 암묵가격, 대체가능성, 생산성 파급효과 분석

  • Received : 2015.07.04
  • Accepted : 2015.11.10
  • Published : 2015.12.31
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Abstract

This paper analyzes the firms' optimization behavior in response to rising demand for non-priced renewable energy in the manufacturing industries by using an input distance function. The annual estimates of the shadow price of renewable energy is derived and the trend of its shadow price over time is analyzed. The degree of substitution of renewable energy for fossil-fuels is examined. The input-based Malmquist productivity index, defined as a composite of the technical efficiency and technical change measures, is measured. The contribution of renewable energy input growth to the Malmquist index is analyzed. Empirical results indicate that the shadow price of renewable energy declined at an average annual rate of 17% over the period 1992-2012. Substitutability between renewable energy and fossil-fuels was limited. On average, a 1% increase in renewable energy would decrease Malmquist index by 0.04% per year.

본 논문에서는 국내 제조업을 대상으로 통합개념의 '비가격'의 신재생에너지 투입에 대한 기업의 최적화 행태를 분석하기 위하여 투입요소의 가격에 대한 정보없이 추정이 가능한 투입물거리함수를 추정한다. 신재생에너지의 연도별 암묵 (shadow) 가격을 도출하여 변화 패턴을 근거로 향후 신재생에너지의 잠재가격을 예측한다. 신재생에너지와 화석에너지 간 대체 가능성에 대한 측정 등 잠재 생산성에 영향을 줄 수 있는 제반 환경을 평가하고, 기술변화와 기술 효율성 변화의 Malmquist 생산성 지수를 계측하여 신재생에너지 투입의 생산성 지수에 대한 파급효과 여부 및 크기를 분석한다. 분석 결과, 1992-2012년 기간 동안 신재생에너지의 암묵가격은 매년 평균 17%씩 증가하는 것으로 나타났으며, 신재생에너지와 비재생에너지는 대체가능성이 상호 낮은 것으로 측정되었다. 신재생에너지 투입량을 1% 증가시키면 산업 생산성은 연평균 약 0.04% 감소하는 것으로 나타났다.

Keywords

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