• Environmental and Resource Economics Review
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• v.27 no.2
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• pp.363-397
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• 2018

We study the impact of loss-aversion and the threat of critical damages from insufficient pollutant abatement, which we jointly call threshold concerns, on the outcome of international environmental agreements. We aim to understand whether concerns for a critical level of damages induce cooperation among countries faced with the well-known free-riding problem, and yield sufficient emission reductions to avoid exceeding the threshold. Specifically, we focus on loss-averse countries negotiating under the threat of either high or low environmental damages. Under symmetry, when countries display identical degrees of threshold concern, we show that such beliefs have a positive effect on reducing the emission levels of both signatories to the treaty and non-signatories, leading to weakly larger coalitions of signatories than in the absence of reference dependence. We then introduce asymmetry, by allowing countries to differ in the degree of concern about the damages. We show that stable coalitions are mostly formed by the countries with higher threshold concerns. When enough countries exhibit standard preferences, the coalition size may diminish, regardless of the degree of concern by the others.

• Journal of Arbitration Studies
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• v.32 no.4
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• pp.103-141
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• 2022

Traditionally, schedule analysis in Korea has been used, mainly through the Critical Path Method, to evaluate the claim for extension of time and/or the amount of liquidated damages for delay. Critical path method, however, cannot identify the delay event and its impact occurred in non-critical path especially in multi facility projects. In multi facility projects that comprise several independent but related facilities or structures, each facility has its own facility critical path the duration of which will be impacted by facility specific critical delays. Thus, only through the non-critical delay analysis along with the critical delay analysis damages not attributable to contractors may be remedied in full. Because all the records and pictures can reveal what has actually happened in post contract review, only the retrospective analysis rather than the prospective analysis based on the assumptions can establish the cause and allocate the each parties' responsibilities appropriately.

• The Journal of Fisheries Business Administration
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• v.35 no.1
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• pp.117-132
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• 2004

This study attempts to suggest a new approach of the estimation of range and degree of fisheries damages caused by a large scale of reclamation undertaken in coastal area using the central limit theorem(CLT) in statistics. The key result of the study is the introduction of the new concept of critical variation of environmental factor($d_{c}$). The study defines $d_{c}$ as a standard deviation of the sample mean($\bar{X}$) of environmental factor(X), in other words, $\frac{\sigma}{ \sqrt{n}}$. The inner bound of $d_{c}$ could be the area of fisheries damages caused by public coastal undertaking. The study also defines the decreasing rate of fisheries production$\delta_{\varepsilon}$, in other words, degree of fisheries damages, as the rate of change in the distribution of sample mean(($\bar{X}$), caused by the continuous and constant variation of environmental factor. Therefore $\delta_{\varepsilon}$ can be easily calculated by the use of table of the standardized normal distribution.

• The Journal of Fisheries Business Administration
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• v.45 no.1
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• pp.1-16
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• 2014

The study attempts to show that the theory of critical environmental variation quantum(CEVQ) has a sound logical basis and empirical support. It is well known that the theory of critical environmental variation quantum is derived from the theory of biological probability distibution function and the central limit theorem(CLT) in statistics. The study uses the case study of fisheries damages compensation caused br the public marine construction undertaken in the area do Anjeong Bay in the city of Tongyeong for empirical test of theory of CEVQ. The results shows that the CEVQ theory perfoms a good job in measuring quantatively fjsheries damages caused by outflow of cold water due to the operation of LNG company since 2002. Therefore the study proves that the CEVQ theory is a good theory having internal consistency and empirical applicability.

• The Journal of Fisheries Business Administration
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• v.37 no.1 s.70
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• pp.73-93
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• 2006

This paper tries to apply the standard method for the estimation of range and degree of fisheries damages caused by warm water drained by generating plants to a real situation. The theoretic foundation of the study has been shown in the article published on the journal of fisheries business administration of last year. The paper tries to examine the degree of external appicability of the theoretic model through empirical study. The results of the study are as follows. The model has been found a successful device for the estimation of fisheries damages caused by warm water drained by generating plants. It also shows a possibility to work in any other fisheries damage cases caused by several kinds of public undertaking on coastal areas. The key of the model is the successful derivation of the quantity amount of the critical variation of environmental factors for example, in this case, water thermal variation. Therefore the countinous and appropriate collection of law data on the environmental factors under a viewpoint of statistics is essential to the usefulness of the model.

• Earthquakes and Structures
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• v.22 no.4
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• pp.345-353
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• 2022

The configuration of an open ground floor (pilotis) is a common and very critical irregularity observed in multistory reinforced concrete frame structures. The characteristics and the geometrical formation of the beams of the first story proved to be a critical parameter for the overall seismic behavior of this type of Reinforced Concrete (RC) structures. In this work the combination of open ground floor (pilotis) morphology with very strong perimetrical beams at the level of the first story is studied. The observation of the seismic damages and the in situ measurements of the fundamental period of four buildings with this morphology and Π-shaped plan view are presented herein. Further analytical results of a pilotis type Π-shaped RC structure are also included in the study. From the measurements and the analytical results yield that the open ground floor configuration greatly influences the fundamental period whereas this morphology in combination with strong beams can lead to severe local shear damages in the columns of the ground floor. The structural damage was limited in the columns of the ground floor and yet based on the changes of the in situ measured fundamental period the damaged level is assessed as DI=88%. Furthermore, due to the Π-shape of the plan view the tendency of the parts of the building to move independently strongly influences the distribution of the damages over the ground floor vertical elements.

• The Korean Society of Law and Medicine
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• v.20 no.1
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• pp.47-82
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• 2019

Inter-Korean exchanges and cooperation, in the process, will inevitably lead to various legal disputes, one of which is the issue of compensation for personal injury. The purpose of this study is to present the standards of settlement of disputes between the residents of North and South Korea by examining the North Korean compensation law on the calculation of damages due to personal injury and comparing it with the South Korean compensation law. Understanding the North Korean compensation law is a critical and urgent task, as exchanges and cooperation between the two Koreas are expected to increase in the future. For the South Korean compensation law does not have specific provisions on the estimation of damages, the specific methods and standards for estimating damages are determined by court precedents. The South Korean courts categorize the damages caused by personal injury into active property damages, passive property damages and emotional distress damages and calculate the amount of each damages. On the other hand, the North Korean Compensation for Damage Act stipulates the categories of damage by dividing the cases of personal injury into 1) infringement of health(§41), 2) disability due to infringement of health(§42), and 3) death resulting from human infringement(§44). In addition, the North Korea Compensation for Damage Act specifies the calculation of compensation for damages(§43, §51). Furthermore, South Korea widely acknowledges emotional distress damages for personal injury, whereas North Korea does not recognize emotional distress damages in principle.

• Journal of Korean Port Research
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• v.11 no.2
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• pp.281-294
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• 1997

Fatigue strength analysis is one of the most important themes of ship structure design, as fatigue damages are reported on ship structures even now. But these need basic research workes which will take time. The others are the problem to apply fatigue strength analysis in design and have to be investigated in parallel with basic researches. The one of major items in the latter is the critical damage factor to define with S-N curve for fatigue strength analysis of ship structure design.

• Spatial Information Research
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• v.12 no.4 s.31
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• pp.329-337
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• 2004

Typhoons Rusa (2002) and Maemi (2003) struck Kangwon and Gyeongnam provinces of Korea and caused the most extensive flood damages ever blown since the foundation of Meteorological Agency in 1927. Many cities are inundated, crippling the critical facilities and resulting In high irreversible losses of human lives, and damages to infrastructures. These kinds of flood damages were among the worst natural disaster that Korean people experienced. In order to reduce flood damage, it is necessary to investigate how to use the information of water environment during the rainfall disaster. Therefore as per the result of this study, we have suggested few but effective countermeasures for controlling the flooding damages and also the advancements in the areas of disaster information dissemination and early warning system for water environmental management by using optical fiber system in Japan are discussed.

• Journal of Soil and Groundwater Environment
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• v.22 no.6
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• pp.104-111
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• 2017

As carcass disposal is increasing widely in Republic of Korea, there is a need to comprehensively analyze the impacts and subsequent damages of carcass disposal. Especially, since environmental policy aims to not only reduce environmental damages, but also enhance overall sustainability, we apply the concept of environmental welfare to assess the comprehensive impact of carcass disposal, especially focusing on the rural area. In specific, assessment criteria were suggested based on the four categories related to environmental welfare, which were 'environmental quality', 'level of environmental service', 'environmental safety', and 'participation, openness to public, and communication'. The results showed negative impacts of carcass disposal in environmental, social and economical elements. Overall decrease in environmental quality negatively impacts the other elements of environmental welfare. Furthermore, there were discrepancies of level of impacts and damages among stakeholder. In the end, we suggest critical elements that need to be applied in relevant policies and regulation to promote effective carcass disposal management.