• Title/Summary/Keyword: 연산일반균형

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Green-house GAS Reduction Through the Environmental Policy Mixes Both Environmental Trading and Carbon Taxes (온실가스 감축을 위한 배출권거래제와 탄소세의 정책혼합 효과 분석)

  • Lim, Jae-Ku;Kim, Jeong-In
    • Environmental and Resource Economics Review
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    • v.12 no.2
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    • pp.245-274
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    • 2003
  • This paper analyzes the economic and environmental impacts of domestic policy to reduce greenhouse gas emissions by focusing on carbon tax, domestic emissions trading and the mixture of these policies. By utilizing a dynamic CGE model, KORTEM, this study shows that the economic cost under carbon tax is projected to be higher than that under emission trading. It is because under carbon tax scheme each emitter in economy must meet its emission target regardless of the abatement cost. On the other hand, emission trading allows emitters to reduce the marginal cost of abatement through trading of emission permits. In designing policy portfolio to address the climate change problem in Korea, therefore, this paper proposes the introduction of domestic emission trading scheme as the main domestic policy Instrument.

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Comparative Study of Causality based quantitative Economic Impact Analysis Models for Utilizing Spectrum Resource (전파자원 활용을 위한 인과 관계 기반 정량적 경제 파급 효과 분석모형 비교 연구)

  • Kim, Taehan;Kim, Tae-Suk
    • The Journal of the Korea Contents Association
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    • v.18 no.11
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    • pp.430-446
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    • 2018
  • In this paper, we conducted a comparative study on the methodology for impact analysis as the economic grounds for formulating policy and investment plan concerned with utilizing spectrum resource. In order to provide numerical results for objective comparison and selection among policy and investment planning, methods to be analyzed are focused on quantitative methodology based on mathematical models, consequently the utility and limits of econometric model, input-output analysis, computable general equilibrium and system dynamics are compared from various viewpoints including analysis cost. Besides, we compared the methodologies in the standpoint of utilizing spectrum and discussed the recent findings of mixed models combining multiple methodologies to exploit the advantages of each methodology and to offset the limit. Results of the research can be used as reference indicators to select the method that conforms to the purpose and priority of analysis verifying the efficiency of execution of policies and investment plans.

A Dualistic Development in Korean Industrialization (한국 산업화의 이중구조)

  • Lee, Jai Min
    • International Area Studies Review
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    • v.16 no.3
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    • pp.27-51
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    • 2012
  • Among the hypotheses regarding the internal process of industrialization, the debates about 'labor-surplus' model have been intensive. The basic idea of this neoclassical theory is that industrial development is brought about by the transfer of the unlimited cheap labor to the modern sector, and thus, under the labor-surplus situation labor-using technologies should be used for industrialization. Fei and Rannis attempted to confirm this theory by applying it to the Japanese economy. The purpose of this paper is to study whether the theory can be applied to Korean economic development. The neoclassical dualistic model which was designed by Kelly and Williamson was utilized. Simulating Korea's major economic variables for the period of 1965-1992 by using computable general equilibrium (CGE) model, we found that there are significant differentials between the simulation and the actual data. It suggests that Korea's economic development has not followed the neoclassical path -- creation of comparative advantage on the basis of market force.

A Selective Voltage Balancing Scheme of a Modular Multilevel DC-DC Converter for Solid-State Transformers (반도체 변압기용 모듈형 멀티레벨 DC-DC 컨버터의 선택적인 전압 균형 제어)

  • Lee, Eui-Jae;Kim, Seok-Min;Lee, Kyo-Beum
    • Journal of IKEEE
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    • v.23 no.2
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    • pp.652-658
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    • 2019
  • This paper proposes the selective voltage balancing scheme of a modular multilevel DC-DC converter for solid-state transformers. In general, the sub-module capacitor voltage can be controlled uniformly by individual feedback controllers, however computation time increases according to the number of modules. The voltage balance control scheme in this paper can reduce the computation time by selecting and controlling sub-module of maximum/minimum voltage momentarily. The performance of the proposed selective voltage balancing scheme is verified by simulation.

Major Issues of Post-Kyoto Negotiation and Their Implications : An Economic Analysis by Using a CGE Model (Post-Kyoto 협상의 주요 쟁점사항과 시사점 : 연산일반균형(CGE)모형을 활용한 경제적 분석)

  • Lim, JaeKyu
    • Environmental and Resource Economics Review
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    • v.18 no.3
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    • pp.457-493
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    • 2009
  • This paper evaluates major issues of Post-Kyoto negotiation of UNFCCC and conducted economic analysis by utilizing a computable general equilibrium(CGE) model(GTEM-KOR). It points three major agendas of the negotiation to be settled : (1) return of the US to GHG abatement commitment; (2) participation of developing countries in GHG abatement commitment; and (3) development of a comprehensive approach for post-Kyoto period. It also emphasizes the differentiation of developing countries and the type and strength of commitment as the negotiation issues for settlement of those agendas. The analysis by using GTEM-KOR shows the differentiation between developing countries based on per capita GDP and/or per capita emissions is inefficient in terms of global GHG emission reduction and it will exposure Korea to strong pressure of commitment relative to other developing countries. It also shows that the participation of developing countries such as China and India is one of the most important factors for the environmental effectiveness of the Post-Kyoto regime. It emphasizes that the relative strength of commitment and the scope of country participation rather than type of commitment are major components determining the economic and environmental effectiveness of the Post-Kyoto regime.

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천연가스 가격 및 가계수요, 투자의 경제적 파급효과 - CGE 모형을 이용한 분석 -

  • Park, Chang-Won;Han, Won-Hui;Kim, Gyeong-Sik
    • Environmental and Resource Economics Review
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    • v.8 no.2
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    • pp.245-269
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    • 1999
  • 향후 기후변화협약과 같은 환경규제의 강화가 예견되는 상황에서 에너지산업은 상당한 정책변화를 겪게 될 것으로 예상된다. 이러한 정책수립과 결정과정에서 본 연구는 천연가스산업에 대한 정책변화 효과를 분석할 수 있는 일반균형 분석모형을 제시함으로써 천연가스산업에 관한 유용한 정보를 제공할 수 있을 것으로 기대된다. 소국경제를 가정한 연산가능 일반균형모형(CGE)을 통해 분석된 천연가스산업의 거시경제적 파급효과를 살펴보면 다음과 같다. 먼저, 천연가스 가격이 5% 상승하였을 경우에는 실질GDP가 0.031% 감소하고, 생산자 물가지수는 0.051% 상승하였다. 가계수요가 10% 증가한 경우와 투자가 10% 증가한 경우에는 실질 GDP가 각각 0.002%씩 상승하고 생산자 물가지수는 0.008%와 0.004% 상승하는 것으로 나타났다. 이러한 분석결과는 천연가스산업이 비교적 거시경제에 미치는 영향이 적은 것을 보여 주고 있다.

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Voluntary Agreements on Energy Conservation and Emission Reduction -Economic Analysis Using a Dynamic CGE Model- (자발적 협약의 에너지 절감과 온실가스 감축효과 -동태적 연산일반균형모형을 이용한 경제적 분석-)

  • Jo, Sunghan;Lim, Jaekyu
    • Environmental and Resource Economics Review
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    • v.15 no.1
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    • pp.95-133
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    • 2006
  • This research first reviewed and analysed the current domestic situation of the voluntary agreement implementation and then it developed the policy implementation scenarios which will be applied to the model, KORTEM_ V.2. The model, consisted with 83 industries and commodities, examined the economic and environmental impacts of this policy instrument. Depending on the efforts of participating sectors and agents for fuel substitution and energy efficiency improvement, it has been evaluated that the voluntary agreement could be the "no-regret" policy. In other words, if the participating sectors and agents can achieve the voluntary energy conservation and emission reduction target without the negative impact on output level, the reduction of national emission will be achieved by creating the economic benefit, simultaneously. Therefore, for the successful implementation of voluntary agreement, this study emphasized the importance of expansion and strengthening of the current financial and institutional support for participating sectors and agents.

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The Economic Impacts of Subsidizing Water Industry Under Greenhouse Gases Mitigation Policy in Korea: A CGE Modeling Approach (국가 온실가스 저감정책과 물산업 지원의 경제적 영향 분석 - 연산일반균형모형 분석)

  • Kim, Jae Joon;Park, Sung Je
    • Journal of Korea Water Resources Association
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    • v.45 no.12
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    • pp.1201-1211
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    • 2012
  • This paper constructed the single country sequential dynamic CGE model to analyze the economic impacts of subsidizing water industry under the GHG emission abatement policy in Korea. We introduced the carbon tax to reduce the GHG emission and made two scenarios. One is to transfer the total tax revenue to household. The other is to mix the tax transfer and water industry support. Our Simulation results show that the macroeconomic effects might be positive by subsidizing water industry compared with the pure tax transfer. However, the support of water industry doesn't contribute to head for the non-energy intensive economy because it's economic activity highly depend on fossil energy and energy intensive products as intermediate demand. This means that it is important to make efforts on the cost effective measures such as energy technology progress, alternative energy development, and energy efficiency improvement in water industry against climate change policy.

유기성 폐기물 간접부담금의 도입과 바이오가스 생산보조 정책의 일반균형효과 분석

  • Bae, Jeong-Hwan
    • Environmental and Resource Economics Review
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    • v.21 no.1
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    • pp.175-210
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    • 2012
  • As London and post-Koyto protocols presumably affect emission of organic waste in Korea in 2012, appropriate treatment of organic waste becomes very important. Organic wastes are regarded as non-point pollutants. It has been criticized that direct emission charges on the emission of non-point pollutants are not effective due to the high uncertainty in the relationship between pollution sources and pollution levels. This study suggests indirect emission charges on production of livestocks or consumption on foods. Furthermore, it is assumed that revenue from the emission charges will be recycled to support biogas production. Biogas can be fueled to produce energy. In order to evaluate potential economic and environmental impacts of recycling the indirect emission charges on organic wastes, a static CGE model was developed. Simulation results of emission charges on the production of livestock show that livestock, agriculture, and food industry will confront relatively high burden while emission charges on consumption of food will affect more broadly and consumers will suffer more. Production charge on livestock sector will lead to higher reduction in GDP and total expenditure relative to the consumption charge. GHGs reduction effect was higher for the consumption charge relative to the production charge. Synthetically, consumption charge on food sector is more desirable as an alternative charge for the emission of organic wastes.

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