• Title/Summary/Keyword: Marginal $CO_2$ abatement cost

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Estimation of CO2 Abatement Cost Considering Allocative Inefficiency of Inputs for the Korean Steel Industry: A Cost Function Approach (국내 철강업의 생산요소 간 비효율적 배분을 고려한 CO2 저감비용 산정 및 분석: 비용함수접근법)

  • Lee, Myunghun
    • Environmental and Resource Economics Review
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    • v.23 no.3
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    • pp.453-472
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    • 2014
  • Analyzing the effects of carbon emissions trading, which is scheduled to be introduced in Korea in 2015, requires an accurate assessment of $CO_2$ abatement costs by both industries and firms. Firms faced with regulatory constraints are unlikely to minimize their production costs due to rising production costs caused by allocative inefficiency of inputs. The use of a distance function would results in underestimation of $CO_2$ abatement costs, because it fails to capture the allocative distortion costs. Recognizing the disadvantage of the previous approach, first, this paper tests for allocative efficiency of input for the Korean steel industry over the period 1990-2010, then derives the marginal $CO_2$ abatement costs by applying a cost function approach. The hypothesis of allocative efficiency in inputs is rejected and the steel industry pays an annual average cost of 92,000 won in removing an additional ton of $CO_2$ over the sample period.

An Iterative Approach to the Estimation of CO2 Abatement Costs (방향성 벡터 일반화를 통한 이산화탄소의 한계저감비용 연구)

  • Repkine, Alexandre;Min, Dongki
    • Environmental and Resource Economics Review
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    • v.22 no.3
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    • pp.499-520
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    • 2013
  • This study proposes an iterative approach to the estimation of the marginal abatement costs of undesirable outputs by computing the slope of the efficient production possibilities frontier on the basis of the efficient projection points generated by the directional output distance function approach due to Fare et al. (2005) based on duality theory. In case of the latter methodology, the estimated marginal abatement costs differ significantly depending on the choice of the directional output vector. In addition, depending on the curvature of the underlying PPF the efficient projection points may be located at a significant distance away from their actually observed counterparts. While it would be more logical to estimate marginal abatement costs as a PPF slope at a point corresponding to the actually observed emissions level, the methodology based on duality theory is likely to produce unstable results due to the problems associated with applying the theorem of implicit function differentiation. Since our methodology is not based on duality theory, our results are immune to both of these problems. We apply our methodology to a sample of Western European countries for the period of 1995-2011 to illustrate our approach.

A study on Estimation of CO2 Abatement Cost in Korean Offshore Fishery (우리나라 근해어업의 CO2 배출 저감비용함수 추정)

  • Shin, Yongmin;Jeong, Gyeowoon
    • Environmental and Resource Economics Review
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    • v.27 no.3
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    • pp.399-420
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    • 2018
  • This study has attempted environmental economic analysis on the cost structure of offshore fisheries based on fishery management data published by the Fisheries Research Institute to examine the effect of the environmental policy on the fisheries for the effective implementation of the Paris Convention. Under the assumption that both fisheries and carbon dioxide are simultaneously produced, the cost structure of offshore fisheries were analyzed. Cost function in a translog form was estimated and SUR (Seemingly Unrelated Regression) model was used for the analysis. Here, $CO_2$ emission of offshore fishery was calculated by using National Federation of Fisheries Cooperatives' data on supply of tax exemption oil (2003~2016). The cost function estimation showed that there is a weak disposition between catches and $CO_2$ emissions during the sample period, and the marginal abatement cost (MAC) is estimated at 1,457 won per year. In addition, for the same period, when 1% of $CO_2$ per horsepower is to be reduced MAC increases by 2.2%, and when 1% of $CO_2$ per 1 ton of catch is to be reduced, MAC increases by 1.4%.

Effects of District Energy Supply by Combined Heat and Power Plant on Greenhouse Gas Emission Mitigation (열병합발전을 이용한 집단에너지사업의 온실가스 감축효과)

  • Shin, Kyoung-A;Dong, Jong-In;Kang, Jae-Sung;Im, Yong-Hoon;Kim, Da-Hye
    • Journal of Climate Change Research
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    • v.8 no.3
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    • pp.213-220
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    • 2017
  • The purpose of this study is to analyze effects of Greenhouse Gas (GHG) emission reduction in district energy business mainly based on Combined Heat and Power (CHP) plants. Firstly this paper compares the actual carbon intensity of power production between conventional power plants and district energy plants. To allocate the GHG from CHP plants, two of different methods which were Alternative Generation Method and Power Bonus Method, have been investigated. The carbon intensity of power production in district energy plants ($0.43tonCO_2e/MWh$) was relatively lower than conventional gas-fired power plants ($0.52tonCO_2e/MWh$). Secondly we assessed the cost effectiveness of reduction by district energy sector compared to the other means using TIMES model method. We find that GHG marginal abatement cost of 'expand CHP' scenario (-$134/ton$CO_2$) is even below than renewable energy scenario such as photovoltaic power generation ($87/ton$CO_2$). Finally the GHG emission reduction potential was reviewed on the projected GHG emission emitted when the same amount of energy produced in combination of conventional power plants and individual boilers as substitution of district energy. It showed there were 10.1~41.8% of GHG emission reduction potential in district energy compared to the combination of conventional power plants and individual boilers.

Comparison of Potential CO2 Reduction and Marginal Abatement Costs across Sectors and Provinces in the Chinese Manufacturing Industries (중국 제조업 부문별 CO2 잠재감축량 및 한계저감비용 지역 간 비교 분석)

  • Jin, Yingmei;Lee, Myunghun
    • Environmental and Resource Economics Review
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    • v.22 no.3
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    • pp.459-479
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    • 2013
  • To assess the feasibility of 'low carbon, sustainable growth' policy pursued of the Chinese government, this paper first measures technical efficiency, $CO_2$ shadow prices, and indirect Morishima elasticity of substitution between capital and energy for 24 of manufacturing sectors in Beijing and Chongqing, in which China launched pilot carbon emissions trading scheme, by estimating the input distance function. Based on these results, then the potential for $CO_2$ reduction, cost savings from emissions trading, and the effectiveness of capital investment in reducing $CO_2$ are compared across industries and provinces. In 2010, manufacturing industries in Beijing and Chongqing could potentially reduce the largest $CO_2$ emissions, amounting 5.2 and 17 million tons, respectively, by achieving 100% technical efficiency. While, on average, Chongqing has a comparative advantage in the cost savings from carbon trading over Beijing, Beijing is more likely to reduce $CO_2$ by expanding capital investment.