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Ju-Hee Kim
Department of Energy Policy, Graduate School of Convergence Science, Seoul National University of Science & Technology, 232 Gongreung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea

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Journal article
Published: 08 July 2021 in Energy Policy
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South Korea tried to drastically expand the capacity of wind power generation from 1.8 GW in 2020 to 24.9 GW in 2034. Moreover, the “Green New Deal” policy is being implemented to promote employment and growth by using domestic wind power facilities. This article estimates additional willingness to pay (WTP) or price premium, for electricity generated from domestic wind power facilities over that from imported ones. For this purpose, a contingent valuation survey of 1000 households was carried out employing the closed-ended question during September 2020. A spike model is utilized to reflect the zero WTP values reported by 58.3% of the interviewees. Several factors affecting the price premium were also analyzed to derive implications. The average price premium for electricity generated from domestic wind power generation facilities was estimated to be KRW 22.5 (USD 0.019) per kWh with statistical significance. This value reaches 21.4% of the electricity price for 2019 (KRW105 or USD 0.089 per kWh). It should be noted that more than half of the people reported a zero price premium, as they thought that “Green” is more important than “New Deal,” or they worried that the supply of domestic wind power facilities could raise electricity bills.

ACS Style

Kyung-Sook Lee; Ju-Hee Kim; Seung-Hoon Yoo. Would people pay a price premium for electricity from domestic wind power facilities? The case of South Korea. Energy Policy 2021, 156, 112455 .

AMA Style

Kyung-Sook Lee, Ju-Hee Kim, Seung-Hoon Yoo. Would people pay a price premium for electricity from domestic wind power facilities? The case of South Korea. Energy Policy. 2021; 156 ():112455.

Chicago/Turabian Style

Kyung-Sook Lee; Ju-Hee Kim; Seung-Hoon Yoo. 2021. "Would people pay a price premium for electricity from domestic wind power facilities? The case of South Korea." Energy Policy 156, no. : 112455.

Short research and discussion article
Published: 16 June 2021 in Environmental Science and Pollution Research
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The South Korean government is seeking information on the environmental conservation value (ECV) of Cypripedium japonicum, a plant on the first-level priority endangered species list of the Korea Ministry of Environment, as well as on the Red List of the International Union for Conservation of Nature. This research paper aims to assess the ECV by employing contingent valuation (CV) to elicit people’s willingness to pay (WTP) for its conservation. To achieve this aim, in May 2020, a CV survey of 1,000 interviewees in South Korea was carried out employing a closed-ended question. The average household WTP is estimated to be KRW 3,770 (USD 3.07) per annum and secures statistical significance. From a national point of view, using information on the national population, this value comes to KRW 76.72 billion (USD 62.42 million) per year. Although the cost of conserving the species has not yet been accurately estimated, the ECV seems to be larger than the cost of conservation. Thus, it is socially desirable to conserve Cypripedium japonicum, and the conservation should be carried out in a stable and continuous manner.

ACS Style

Ju-Hee Kim; Chang-Min Kim; Seung-Hoon Yoo. Environmental conservation value of an endangered species: the case of Cypripedium Japonicum. Environmental Science and Pollution Research 2021, 1 -10.

AMA Style

Ju-Hee Kim, Chang-Min Kim, Seung-Hoon Yoo. Environmental conservation value of an endangered species: the case of Cypripedium Japonicum. Environmental Science and Pollution Research. 2021; ():1-10.

Chicago/Turabian Style

Ju-Hee Kim; Chang-Min Kim; Seung-Hoon Yoo. 2021. "Environmental conservation value of an endangered species: the case of Cypripedium Japonicum." Environmental Science and Pollution Research , no. : 1-10.

Journal article
Published: 11 June 2021 in Solar Energy
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South Korea seeks to increase the capacity of solar power generation from 10.5GW in 2019 to 68.8GW in 2034. In the process of promoting the increase, the government is trying to increase the use of domestic solar power generation facilities by enhancing their technological competitiveness and price competitiveness. This study attempts to estimate price premium or additional willingness to pay (WTP) for electricity generated using domestic solar power facilities over that from imported ones. As a method to do so, contingent valuation (CV) is adopted. A nationwide CV survey was conducted on 1,000 people during October 2020. A closed-ended question was used to elicit the WTP responses. Furthermore, a spike model was applied to analyzing the WTP data with many zeros. The price premium was estimated to be KRW 26.0 (USD 0.023) per kWh, with statistical significance, which comes to 24.8% of the price of electricity for 2019 (KRW 105 or USD 0.089 per kWh). Some factors related to the interviewees’ characteristics or recognition were found to affect the price premium significantly.

ACS Style

Ju-Hee Kim; Seong-Jae Seo; Seung-Hoon Yoo. South Koreans’ willingness to pay price premium for electricity generated using domestic solar power facilities over that from imported ones. Solar Energy 2021, 224, 125 -133.

AMA Style

Ju-Hee Kim, Seong-Jae Seo, Seung-Hoon Yoo. South Koreans’ willingness to pay price premium for electricity generated using domestic solar power facilities over that from imported ones. Solar Energy. 2021; 224 ():125-133.

Chicago/Turabian Style

Ju-Hee Kim; Seong-Jae Seo; Seung-Hoon Yoo. 2021. "South Koreans’ willingness to pay price premium for electricity generated using domestic solar power facilities over that from imported ones." Solar Energy 224, no. : 125-133.

Article
Published: 02 January 2021 in Quality & Quantity
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It is quite important to improve energy efficiency of an apartment in South Korea since it is the most common residential space. The government needs information about the public willingness to pay (WTP) for the impacts of the improvement. This article explores the public WTP employing a choice experiment (CE). To this end, four attributes of reduction in greenhouse gas emissions, abatement in air pollutant emissions, betterment in residential convenience, and enhancement energy security were selected for the impacts. The price attribute was the additional price involved in improving energy efficiency of an apartment per 3.3m2. A total of 1000 interviewees were surveyed across the country through person-to-person interviews. A mixed logit model was applied in estimating a utility function from the gathered CE data to allow for preference heterogeneity. All the coefficient estimates for the utility function showed statistical significance. The marginal WTP estimates for a 1%p reduction in greenhouse gas emissions, a 1%p abatement in air pollutant emissions, betterment in residential convenience, and enhancement in energy security were KRW 31,740 (USD 28.2), 13,289 (USD 11.8), 64,799 (USD 57.6), and 119,723 (USD 106.4) per 3.3m2, respectively. These figures indicate the price premium for an apartment with improved energy efficiency.

ACS Style

Ju-Hee Kim; Younggew Kim; Seung-Hoon Yoo. Using a choice experiment to explore the public willingness to pay for the impacts of improving energy efficiency of an apartment. Quality & Quantity 2021, 1 -19.

AMA Style

Ju-Hee Kim, Younggew Kim, Seung-Hoon Yoo. Using a choice experiment to explore the public willingness to pay for the impacts of improving energy efficiency of an apartment. Quality & Quantity. 2021; ():1-19.

Chicago/Turabian Style

Ju-Hee Kim; Younggew Kim; Seung-Hoon Yoo. 2021. "Using a choice experiment to explore the public willingness to pay for the impacts of improving energy efficiency of an apartment." Quality & Quantity , no. : 1-19.

Short research and discussion article
Published: 19 October 2020 in Environmental Science and Pollution Research
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South Korea is pursuing an energy transition policy (ETP) of expanding the use of renewable energy and natural gas and decreasing that of nuclear energy and coal in total generation. An investigation of whether the public is for or against the ETP is needed by the government. This article explores the public preference toward the ETP employing the data collected through a survey of 1000 individuals. They were asked to reveal their preference for the ETP on a five-point scale in the survey. Overall, there are more advocates of the ETP than those who opposed it. For the purpose of analyzing the determinants of advocacy and opposition of the ETP, an ordered probit model is employed. The results suggest that people living in the Seoul Metropolitan area think that the environment is more important than new jobs, or know the renewable energy 100% campaign before the survey is more favorable to the ETP than others. However, people who use electricity for heating tend to be negative about the ETP. As the age increases, people approve of the ETP, but when age goes beyond a certain level, they oppose it.

ACS Style

Ju-Hee Kim; Jae-Hyung Park; Seung-Hoon Yoo. Public preference toward an energy transition policy: the case of South Korea. Environmental Science and Pollution Research 2020, 27, 45965 -45973.

AMA Style

Ju-Hee Kim, Jae-Hyung Park, Seung-Hoon Yoo. Public preference toward an energy transition policy: the case of South Korea. Environmental Science and Pollution Research. 2020; 27 (36):45965-45973.

Chicago/Turabian Style

Ju-Hee Kim; Jae-Hyung Park; Seung-Hoon Yoo. 2020. "Public preference toward an energy transition policy: the case of South Korea." Environmental Science and Pollution Research 27, no. 36: 45965-45973.

Journal article
Published: 05 October 2020 in Ocean & Coastal Management
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Gomsoman Tidal Flat (GTF) in South Korea has been designated as a marine protected area in 2007, a Ramsar wetland in 2010, and a UNESCO Biosphere Reserve in 2013. However, as some area of it had been destroyed the Government plans to restore the destroyed area of the GTF. The objective of this article is, therefore, to investigate the public value of accomplishing the plan applying the contingent valuation (CV), a technique that asks randomly chosen people about their willingness to pay (WTP) for the accomplishment. For this purpose, a CV survey of 1000 households was conducted using a one-and-one-half-bounded dichotomous choice question format for a method of WTP elicitation and yearly household income tax for a payment vehicle. Since a number of interviewees (60.5%) reported zero WTP values, a spike model was adopted to analyze the gathered CV data with zero WTP observations. The mean household WTP was statistically significantly estimated to be KRW 3170 (USD 2.7) per year. The yearly national value is worth KRW 63.3 billion (USD 53.9 million). The benefits ensuing from the accomplishment are much greater than the costs involved in it.

ACS Style

Ju-Hee Kim; Sin-Young Kim; Seung-Hoon Yoo. South Koreans’ willingness to pay for restoration of Gomsoman Tidal Flat. Ocean & Coastal Management 2020, 199, 105388 .

AMA Style

Ju-Hee Kim, Sin-Young Kim, Seung-Hoon Yoo. South Koreans’ willingness to pay for restoration of Gomsoman Tidal Flat. Ocean & Coastal Management. 2020; 199 ():105388.

Chicago/Turabian Style

Ju-Hee Kim; Sin-Young Kim; Seung-Hoon Yoo. 2020. "South Koreans’ willingness to pay for restoration of Gomsoman Tidal Flat." Ocean & Coastal Management 199, no. : 105388.

Journal article
Published: 21 August 2020 in Renewable and Sustainable Energy Reviews
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The South Korean government has been pushing for an energy transition, reducing nuclear power (NP) generation and increasing renewable energy (RE) generation, since mid-2017. The government needs quantitative information on the economic effects of the two sectors. This article aims to derive such information through an input-output (IO) analysis using the recently published 2015 IO table. The production-inducing effects, value-added creation effects, and wage-inducing effects of one dollar of production in the two sectors are analyzed using a demand-driven model. One dollar of production or investment in the two sectors causes 1.606 and 1.718 dollars of production, 0.856 and 0.859 dollars of value-added, and 0.168 and 0.174 dollars of wage, respectively. The economic effects of the RE sector are greater than those of the NP sector. The supply-shortage effects of the two sectors are examined using a supply-driven model. One dollar of supply shortage in the RE and NP sectors brings 1.673 and 1.670 dollars of production failure, respectively. The production failure resulting from the supply shortage in the RE sector is smaller than that of the NP sector. A price-side model also revealed that a 10% increase in the price of output in the NP and RE sectors raises the overall price levels by 0.05858% and 0.01304%, respectively. The RE sector is thus better than the NP sector in terms of minimizing supply shortage effects and price-pervasive effects, as well as maximizing economic effects.

ACS Style

Ju-Hee Kim; Seung-Hoon Yoo. Comparison of the economic effects of nuclear power and renewable energy deployment in South Korea. Renewable and Sustainable Energy Reviews 2020, 135, 110236 .

AMA Style

Ju-Hee Kim, Seung-Hoon Yoo. Comparison of the economic effects of nuclear power and renewable energy deployment in South Korea. Renewable and Sustainable Energy Reviews. 2020; 135 ():110236.

Chicago/Turabian Style

Ju-Hee Kim; Seung-Hoon Yoo. 2020. "Comparison of the economic effects of nuclear power and renewable energy deployment in South Korea." Renewable and Sustainable Energy Reviews 135, no. : 110236.

Journal article
Published: 13 August 2020 in Resources Policy
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A project collecting a total of 24.3 million cubic meters of sea sand from the aggregate extraction complex in the exclusive economic zone of the South Sea in South Korea has been under way. The government needs information about the public perspective on the environmental impacts of the sea sand mining project. This paper attempts to examine the public perspective by employing a choice experiment (CE). The attributes chosen to represent the environmental impacts are an increase in coastal erosion, a decrease in benthos, a decrease in fish, and deterioration of the sea water quality, and the price attribute is the additional annual income tax per household. A total of 1000 interviewees were surveyed across the country through person-to-person interviews. A mixed logit model, which has the advantage of being able to reflect preference heterogeneity, was applied to estimating a utility function from the gathered CE data. All the coefficients for the attributes were estimated to be statistically significant. The environmental costs of a 1% increase in coastal erosion, a 1% decrease in benthos, a 1% decrease in fish, and a 1% deterioration in the sea water quality were KRW 100 (USD 0.09), 76 (0.07), 152 (0.14), and 123 (0.11), respectively, per household per year. Combining these results with the environmental impact assessment results for the project allows a quantitative assessment of the environmental costs of the project.

ACS Style

Ju-Hee Kim; Seung-Hoon Yoo. Public perspective on the environmental impacts of sea sand mining: Evidence from a choice experiment in South Korea. Resources Policy 2020, 69, 101811 .

AMA Style

Ju-Hee Kim, Seung-Hoon Yoo. Public perspective on the environmental impacts of sea sand mining: Evidence from a choice experiment in South Korea. Resources Policy. 2020; 69 ():101811.

Chicago/Turabian Style

Ju-Hee Kim; Seung-Hoon Yoo. 2020. "Public perspective on the environmental impacts of sea sand mining: Evidence from a choice experiment in South Korea." Resources Policy 69, no. : 101811.

Journal article
Published: 03 August 2020 in Marine Policy
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The South Korean government is planning to expand the share of renewable energy generation to 20% by 2030 from 2.2% in 2016. As a part of the plan, a project is underway to install a large-scale offshore wind farm with a total capacity of 2.46 GW in the Southwest sea of South Korea. This article reports on the public acceptance of the project using data from a nationwide survey of 1000 individuals asking their opinion about the project through a Likert five-point scale. To this end, an ordered probit model is applied to analyze the determinants of pros and cons of the project. Of the respondents, 43.3% agreed to the project and 23.8% disagreed to that. Overall, South Koreans are supportive of the project. The results show that people who live in the Seoul Metropolitan area, those who are richer than others, those who has installed solar power facility for family use, those who consider the level of proper ratio of natural gas generation to be high, and/or those who are politically progressive are more supportive of the project than others. On the other hand, the respondents using more electricity tend to oppose the project than others. These findings could be used as an important reference in the governmental promotion for the project.

ACS Style

Ju-Hee Kim; Jungho Nam; Seung-Hoon Yoo. Public acceptance of a large-scale offshore wind power project in South Korea. Marine Policy 2020, 120, 104141 .

AMA Style

Ju-Hee Kim, Jungho Nam, Seung-Hoon Yoo. Public acceptance of a large-scale offshore wind power project in South Korea. Marine Policy. 2020; 120 ():104141.

Chicago/Turabian Style

Ju-Hee Kim; Jungho Nam; Seung-Hoon Yoo. 2020. "Public acceptance of a large-scale offshore wind power project in South Korea." Marine Policy 120, no. : 104141.

Journal article
Published: 31 July 2020 in Marine Policy
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The South Korean government plans to construct sea forests of 35,640ha until 2030 to reduce the appearance of urchin barren causing the desertification of the sea. The construction will help restore the ecological integrity of the damaged marine ecosystem and require the injection of taxes paid by the public. This study, therefore, examines the public perspective on the construction using an economic approach of contingent valuation (CV). The data on the public willingness to pay (WTP) for the construction were collected from a CV survey of 1000 households across the country, adopting a dichotomous-choice question format, during July 2019. As not a few interviewees responded zero WTP for various reasons, a spike model that could reflect zero WTP observations was utilized. The household WTP for the construction was estimated, with statistical significance, to be KRW 3304 (USD 2.81) per year. If this value is expanded to all households in South Korea, it is worth KRW 66.46 billion (USD 56.56 million). The present value of the benefits ensuing from the construction, taking into account the payment period of 10 years and the social discount rate of 4.5%, is KRW 633.31 billion (USD 538.99 million), which exceeds the present value of the involved costs (KRW 391.67 billion or USD 333.34 million). The net present value and benefit–cost ratio of the construction were computed to be KRW 241.64 billion (USD 205.65 million) and 1.62, respectively, and thus the construction of sea forests is socially beneficial to the public.

ACS Style

Kyung-Ran Choi; Ju-Hee Kim; Seung-Hoon Yoo. Public perspective on constructing sea forests as a public good: A contingent valuation experiment in South Korea. Marine Policy 2020, 120, 104146 .

AMA Style

Kyung-Ran Choi, Ju-Hee Kim, Seung-Hoon Yoo. Public perspective on constructing sea forests as a public good: A contingent valuation experiment in South Korea. Marine Policy. 2020; 120 ():104146.

Chicago/Turabian Style

Kyung-Ran Choi; Ju-Hee Kim; Seung-Hoon Yoo. 2020. "Public perspective on constructing sea forests as a public good: A contingent valuation experiment in South Korea." Marine Policy 120, no. : 104146.

Journal article
Published: 22 July 2020 in Applied Sciences
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When South Korea develops a new city, the government has made a preliminary decision on one of two heating systems, an individual heating system (IHS) or a district heating system (DHS). However, it is still unclear which system is desirable in terms of maximizing the national economic effect. Thus, this article aims to derive quantitative information about the economic effects of the same amount of production or investment in the two systems through an input-output (IO) analysis using the recently published 2017 IO table. More specifically, the production-inducing effects, value-added creation effects, and wage-inducing effects are systematically analyzed focusing on the IHS and DHS sectors. The results show that one dollar of production or investment in IHS or DHS causes about 1.073 and 1.388 dollars of production, about 0.228 and 0.658 dollars of value-added, and about 0.051 and 0.108 dollars in wages, respectively, throughout the national economy. Overall, the economic effects of the DHS sector are greater than those of the IHS sector. That is, when the same amount of investment or production is made in the two sectors, DHS produces more economic effects than IHS.

ACS Style

Ju-Hee Kim; Sin-Young Kim; Seung-Hoon Yoo. Economic Effects of Individual Heating System and District Heating System in South Korea: An Input-Output Analysis. Applied Sciences 2020, 10, 5037 .

AMA Style

Ju-Hee Kim, Sin-Young Kim, Seung-Hoon Yoo. Economic Effects of Individual Heating System and District Heating System in South Korea: An Input-Output Analysis. Applied Sciences. 2020; 10 (15):5037.

Chicago/Turabian Style

Ju-Hee Kim; Sin-Young Kim; Seung-Hoon Yoo. 2020. "Economic Effects of Individual Heating System and District Heating System in South Korea: An Input-Output Analysis." Applied Sciences 10, no. 15: 5037.

Journal article
Published: 12 July 2020 in Minerals
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The mining industry (MI) has played a role in proving a stable supply of minerals for industrial production and human survival. The South Korean government is implementing various policies to promote the MI and needs quantitative information on the economic role and effects of the MI. Thus, this article aims to derive the information through an input-output (IO) analysis using the recently published 2015 IO table, subdividing the MI into four sectors, namely coal, crude petroleum and natural gas, metal ores, and non-metallic mineral mining, and treating the MI as exogenous rather than endogenous. To this end, three models are employed. First, the production-inducing effects, value-added creation effects, and wage-inducing effects of 1 dollar of production in the MI sector are analyzed using a demand-driven model. One dollar of production or investment in the sector causes 1.81 of production, 0.85 dollar of value-added, and 0.33 dollar of wage, respectively. Second, by applying a supply-driven model, it is found that one dollar of supply shortage in the MI causes 2.24 dollars of production failure throughout the national economy. Third, by utilizing a price-side model, it is discovered that a 10% increase in the price of output of the MI raises the overall price level by 0.025%.

ACS Style

Kyung-Hag Kim; Ju-Hee Kim; Seung-Hoon Yoo. An Input-Output Analysis of the Economic Role and Effects of the Mining Industry in South Korea. Minerals 2020, 10, 624 .

AMA Style

Kyung-Hag Kim, Ju-Hee Kim, Seung-Hoon Yoo. An Input-Output Analysis of the Economic Role and Effects of the Mining Industry in South Korea. Minerals. 2020; 10 (7):624.

Chicago/Turabian Style

Kyung-Hag Kim; Ju-Hee Kim; Seung-Hoon Yoo. 2020. "An Input-Output Analysis of the Economic Role and Effects of the Mining Industry in South Korea." Minerals 10, no. 7: 624.

Journal article
Published: 15 June 2020 in Energies
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South Korea is planning to substitute some residential natural gas (NG), a fossil fuel that relies on imports, with renewable methane (RM) from bio-gas, a renewable energy source. Thus, information about households’ willingness to pay (WTP) for implementing the plan is widely needed. This article, therefore, examines the WTP using an economic approach of contingent valuation (CV). More specifically, 1000 households were asked about the additional WTP for RM over NG through in-person face-to-face surveys across the country, adopting a dichotomous choice question format, during August 2018. As a few interviewees responded zero WTP for various reasons, a spike model that could reflect zero WTP observations was utilized. The household additional WTP for RM over NG was estimated, with statistical significance, as 191.46 Korean won (USD 0.17) per m3 and worth 31.9% of the average price of residential NG. This value means a price premium for RM compared to NG. In other words, this study found that South Korean consumers value residential RM about 1.32 times as much as residential NG. These results from the CV experiment could be a useful reference in establishing and implementing RM-related policies.

ACS Style

Sung-Min Kim; Ju-Hee Kim; Seung-Hoon Yoo. Households’ Willingness to Pay for Substituting Natural Gas with Renewable Methane: A Contingent Valuation Experiment in South Korea. Energies 2020, 13, 3082 .

AMA Style

Sung-Min Kim, Ju-Hee Kim, Seung-Hoon Yoo. Households’ Willingness to Pay for Substituting Natural Gas with Renewable Methane: A Contingent Valuation Experiment in South Korea. Energies. 2020; 13 (12):3082.

Chicago/Turabian Style

Sung-Min Kim; Ju-Hee Kim; Seung-Hoon Yoo. 2020. "Households’ Willingness to Pay for Substituting Natural Gas with Renewable Methane: A Contingent Valuation Experiment in South Korea." Energies 13, no. 12: 3082.

Research article
Published: 05 June 2020 in Environmental Science and Pollution Research
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The South Korean Government is considering designating Jaran Bay, the habitat of the endangered marine species, Neophocaena asiaeorientalis, as a marine protected area. The Government needs information about public acceptance and the economic benefits of the designation. To unveil the information, this article aims to examine the public willingness to pay (WTP) using a contingent valuation based on a nationwide survey of 1000 households. As a WTP elicitation method, the one-and-one-half-bounded question format of asking an interviewee whether she/he has the intention of paying a presented bid through annual income tax was adopted. The WTP for the designation was statistically significantly estimated to be KRW 2665 (USD 2.27) per year per household. The estimate of the annual national value amounted to KRW 53 billion (USD 45.30 million). This value is by no means small, but it would take a huge amount of effort to elicit public consensus on the designation considering that a significant proportion of respondents (64.4%) revealed zero WTP.

ACS Style

Ju-Hee Kim; Seung-Hoon Yoo. What do we know about public acceptance of designating marine protected area? The case of Jaran Bay in South Korea. Environmental Science and Pollution Research 2020, 27, 31715 -31725.

AMA Style

Ju-Hee Kim, Seung-Hoon Yoo. What do we know about public acceptance of designating marine protected area? The case of Jaran Bay in South Korea. Environmental Science and Pollution Research. 2020; 27 (25):31715-31725.

Chicago/Turabian Style

Ju-Hee Kim; Seung-Hoon Yoo. 2020. "What do we know about public acceptance of designating marine protected area? The case of Jaran Bay in South Korea." Environmental Science and Pollution Research 27, no. 25: 31715-31725.

Journal article
Published: 02 June 2020 in Sustainability
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In South Korea, the finless porpoise (FP) is one of representative endangered marine species. The country is trying to manage and protect FPs through several costly measures and demands information about what value the public puts on the management and protection. This article, therefore, explores the South Korean public perspective on managing and protecting FP using a contingent valuation (CV) technique. More specifically, the data on the public willingness to pay (WTP) for the management and protection were collected from a CV survey of 1000 households across the country, adopting a dichotomous choice question format. The household yearly WTP for the management and protection was estimated, with statistical significance, to be 2730 KRW (2.32 USD). If this value is expanded to all households in South Korea, the national value amounts to 54.19 billion KRW (46.00 million USD) per annum. This can be interpreted as the economic value or benefit of managing and protecting FP.

ACS Style

Ju-Hee Kim; Joseph Kim; Seung-Hoon Yoo. What Value Does the Public Put on Managing and Protecting an Endangered Marine Species? The Case of the Finless Porpoise in South Korea. Sustainability 2020, 12, 4505 .

AMA Style

Ju-Hee Kim, Joseph Kim, Seung-Hoon Yoo. What Value Does the Public Put on Managing and Protecting an Endangered Marine Species? The Case of the Finless Porpoise in South Korea. Sustainability. 2020; 12 (11):4505.

Chicago/Turabian Style

Ju-Hee Kim; Joseph Kim; Seung-Hoon Yoo. 2020. "What Value Does the Public Put on Managing and Protecting an Endangered Marine Species? The Case of the Finless Porpoise in South Korea." Sustainability 12, no. 11: 4505.

Communication
Published: 08 May 2020 in Sustainability
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The loggerhead turtle is one of the representative endangered marine species in South Korea. Thus, the country’s government is trying to push ahead with a project to increase the number of loggerhead turtles through the research and development of technology to hatch them artificially and release them into the wild. This article attempts to investigate the public perspective on the project using contingent valuation (CV). To this end, a CV survey of one thousand households across the country was implemented using in-person interviews. They were asked whether they were willing to pay a specified amount presented for carrying out the project. As many households reported zero willingness to pay, a spike model was employed to analyze the response data. It was found that the yearly public value ensuing from accomplishing the project was statistically significantly computed to be KRW 2360 (USD 1.99) per household. When the value was expanded nationwide, it reached KRW 44.72 billion (USD 37.74 million) per year. This public value could be compared with the cost of carrying out the project to determine if the project is socially beneficial.

ACS Style

Ju-Hee Kim; Kyung-Ran Choi; Seung-Hoon Yoo. Public Perspective on Increasing the Numbers of an Endangered Species, Loggerhead Turtles in South Korea: A Contingent Valuation. Sustainability 2020, 12, 3835 .

AMA Style

Ju-Hee Kim, Kyung-Ran Choi, Seung-Hoon Yoo. Public Perspective on Increasing the Numbers of an Endangered Species, Loggerhead Turtles in South Korea: A Contingent Valuation. Sustainability. 2020; 12 (9):3835.

Chicago/Turabian Style

Ju-Hee Kim; Kyung-Ran Choi; Seung-Hoon Yoo. 2020. "Public Perspective on Increasing the Numbers of an Endangered Species, Loggerhead Turtles in South Korea: A Contingent Valuation." Sustainability 12, no. 9: 3835.

Journal article
Published: 14 April 2020 in Sustainability
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South Korea is promoting the “Renewable Energy 3020 Plan” to expand the proportion of renewable energy (RE) from 2.2% in 2016 to 20% in 2030. Since the plan could lead to an increase in electricity rates, public acceptance of it is an important key to determining its success. This article examines the public acceptance of the plan by employing contingent valuation (CV). A nationwide CV survey of 1000 households was performed to collect the data on the willingness to pay (WTP) for implementing the plan using electricity charges as a payment vehicle during October 2018. More specifically, a dichotomous choice question to ask interviewees whether they have an intention of paying an offered bid and a spike model to treat the zero WTP observations were employed. The estimate for monthly WTP was KRW 3646 (USD 3.27) per household. When 10 years of the payment period presented in the survey and forecasted values of residential RE electricity consumption from 2018 to 2030 were used, the WTP was worth KRW 60.4 (USD 0.05) per kWh in 2018 constant price. The WTP amounts to 56.5% of the price for residential electricity (KRW 106.9 or USD 0.10 per kWh). That is, the RE electricity produced through implementing the plan has a premium of 56.5% over the current electricity. Overall, it is concluded that public acceptance of the plan has been secured.

ACS Style

Ju-Hee Kim; Sin-Young Kim; Seung-Hoon Yoo. Public Acceptance of the “Renewable Energy 3020 Plan”: Evidence from a Contingent Valuation Study in South Korea. Sustainability 2020, 12, 3151 .

AMA Style

Ju-Hee Kim, Sin-Young Kim, Seung-Hoon Yoo. Public Acceptance of the “Renewable Energy 3020 Plan”: Evidence from a Contingent Valuation Study in South Korea. Sustainability. 2020; 12 (8):3151.

Chicago/Turabian Style

Ju-Hee Kim; Sin-Young Kim; Seung-Hoon Yoo. 2020. "Public Acceptance of the “Renewable Energy 3020 Plan”: Evidence from a Contingent Valuation Study in South Korea." Sustainability 12, no. 8: 3151.

Journal article
Published: 26 March 2020 in Sustainability
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To meet international efforts to prevent climate change, the South Korean government is seeking to transform its main power source from coal to natural gas (NG), which emits less carbon dioxide (CO2) than coal. The government needs information about public preferences for increasing NG-fired generation. Therefore, the purpose of this paper is to provide the government with this information by gathering the data on public preferences for increasing NG-fired generation for reducing CO2 emissions, analyzing these data, and obtaining the implications from the analysis. To this end, a survey of 1000 people, after explaining the merits and demerits of NG-fired power, were asked to determine the proper ratio of NG-fired generation by choosing one of six examples: lower than 10%, 10%–20%, 20%–30%, 30%–40%, 40%–50%, and higher than 50%. An interval data model was employed to deal with the data. The average value of the ratio was estimated to be 26.7% with statistical significance, which is greater than the actual value of 22.2% from 2017. Finally, whether and how much some variables such as education level, age, gender, and income level of the respondent affected their preferences for NG-fired generation were investigated.

ACS Style

Seong-Jae Seo; Ju-Hee Kim; Seung-Hoon Yoo. Public Preference for Increasing Natural Gas Generation for Reducing CO2 Emissions in South Korea. Sustainability 2020, 12, 2636 .

AMA Style

Seong-Jae Seo, Ju-Hee Kim, Seung-Hoon Yoo. Public Preference for Increasing Natural Gas Generation for Reducing CO2 Emissions in South Korea. Sustainability. 2020; 12 (7):2636.

Chicago/Turabian Style

Seong-Jae Seo; Ju-Hee Kim; Seung-Hoon Yoo. 2020. "Public Preference for Increasing Natural Gas Generation for Reducing CO2 Emissions in South Korea." Sustainability 12, no. 7: 2636.

Journal article
Published: 25 February 2020 in Energy Policy
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Korea is the only divided country in the world. While power is stably and reliably supplied in South Korea, North Korea (NK) is suffering from a severe power shortage. To improve power supply conditions in NK and ultimately contribute to building peace on the Korean Peninsula, the South Korean Government is considering assisting the construction of power plants and power grids in NK. The Government needs information about households’ willingness to pay (WTP) for assisting the power supply to NK. This article aims to examine the WTP using a contingent valuation based on a nationwide survey of 1000 households. As a WTP elicitation method, the one-and-one-half-bounded question format of asking an interviewee whether she/he has the intention of paying a presented bid through an increase in electricity bills was adopted. The WTP for the assistance was statistically significantly estimated to be KRW 2382 (USD 2.12) per month per household. The estimate of the annual national value amounted to KRW 564.6 billion (USD 503.6 million). This value is by no means small, but it would take a huge amount of effort to elicit public consensus on the assistance considering that a significant proportion of respondents (63.6%) revealed zero WTP.

ACS Style

Ju-Hee Kim; Seung-Hoon Yoo. South Koreans’ perspective on assisting the power supply to North Korea: Evidence from a contingent valuation. Energy Policy 2020, 139, 111336 .

AMA Style

Ju-Hee Kim, Seung-Hoon Yoo. South Koreans’ perspective on assisting the power supply to North Korea: Evidence from a contingent valuation. Energy Policy. 2020; 139 ():111336.

Chicago/Turabian Style

Ju-Hee Kim; Seung-Hoon Yoo. 2020. "South Koreans’ perspective on assisting the power supply to North Korea: Evidence from a contingent valuation." Energy Policy 139, no. : 111336.

Journal article
Published: 05 July 2019 in Renewable and Sustainable Energy Reviews
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According to the South Korean Government, new offshore wind power generators with a capacity of 12–13 GW will be installed by 2030. This article attempts to investigate the social acceptance of an offshore wind energy development project by evaluating its environmental costs. For this purpose, 1,000 households throughout the country were randomly selected, and a choice experiment (CE) survey was undertaken with them in August 2018. The 4 attributes considered here are distance from the land, offshore wind farm size, offshore wind turbine height, and decrease in marine life. An increase in the yearly income tax is also considered as an attribute. The results of applying the CE approach reveal that people place significant value on reducing the environmental impacts of the offshore wind energy development project. If the results are added to the cost-benefit analysis of the proposed offshore wind energy development project, the benefits of the project are not likely to exceed the costs of the project. The implementation of the project should be thoroughly re-considered.

ACS Style

Hyo-Jin Kim; Ju-Hee Kim; Seung-Hoon Yoo. Social acceptance of offshore wind energy development in South Korea: Results from a choice experiment survey. Renewable and Sustainable Energy Reviews 2019, 113, 109253 .

AMA Style

Hyo-Jin Kim, Ju-Hee Kim, Seung-Hoon Yoo. Social acceptance of offshore wind energy development in South Korea: Results from a choice experiment survey. Renewable and Sustainable Energy Reviews. 2019; 113 ():109253.

Chicago/Turabian Style

Hyo-Jin Kim; Ju-Hee Kim; Seung-Hoon Yoo. 2019. "Social acceptance of offshore wind energy development in South Korea: Results from a choice experiment survey." Renewable and Sustainable Energy Reviews 113, no. : 109253.