• International Journal of Advanced Culture Technology
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• 제6권3호
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• pp.151-162
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• 2018

In deriving the economic order quantity (EOQ) formula, it is tacitly assumed that the buyer has to pay product price while receiving the product from the supplier. However, as a marketing policy, some suppliers permit a delay in payments to the buyers to increase demand for the product they made. Credit transactions would have a positive effect on both suppliers and buyers. For a supplier who offers trade credit, it is an effective means of price differentiation to increase the demand for the product. Availability of opportunity to delay the payment in buyer effectively reduces the cost of holding stocks and therefore, the buyer has a lot of price options to choose his sales price for a customer. Since the buyer's order is affected by the customer's demand, the problems of determining the sales price and EOQ are interdependent and must be solved simultaneously. From this perspective, this paper evaluates the problem of determining the optimal sales price and EOQ for the buyer at the same time when the supplier allows a delay in payments for the product whose demand is represented as a function that decreases linearly with the sales price. For the analysis, it is also assumed that inventory is exhausted not only by customer's but also by decay.

• 한국지능정보시스템학회:학술대회논문집
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• 한국지능정보시스템학회 2002년도 추계정기학술대회
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• pp.491-501
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• 2002

Case-based reasoning is emerging as a leading methodology for the application of artificial intelligence. CBR is a reasoning methodology that exploits similar experienced solutions, in the form of past cases, to solve new problems. Hybrid model achieves some convergence of the wide proliferation of credit evaluation modeling. As a result, Hybrid model showed that proposed methodology classify more accurately than any of techniques individually do. It is confirmed that proposed methodology predicts significantly better than individual techniques and the other combining methodologies. The objective of the proposed approach is to determines a set of weighting values that can best formalize the match between the input case and the previously stored cases and integrates fuzzy sit concepts into the case indexing and retrieval process. The GA is used to search for the best set of weighting values that are able to promote the association consistency among the cases. The fitness value in this study is defined as the number of old cases whose solutions match the input cases solution. In order to obtain the fitness value, many procedures have to be executed beforehand. Also this study tries to transform financial values into category ones using fuzzy logic approach fur performance of credit evaluation. Fuzzy set theory allows numerical features to be converted into fuzzy terms to simplify the matching process, and allows greater flexibility in the retrieval of candidate cases. Our proposed model is to apply an intelligent system for bankruptcy prediction.

• 통상정보연구
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• 제10권3호
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• pp.239-261
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• 2008

Documentary credit transactions are judged by the principle of strict compliance. The compliance of the tendered documents with the credit's teams ensures the proper completion of the underlying transaction. But if the documents tendered by beneficiary differ, a discrepancy of documents occurs. Such a discrepancy raises difficult problems for the bank to which the documents are tendered. It has to decide whether to reject or accept them or to accept them under a protective mechanism. Therefore, this study is to examine the case study of complying presentation of the description of the goods in documentary credit through the Korean Supreme Court Cases. The objectives of this paper are as follow : 1. To examine two point of views on document compliance such as strict compliance and substantial compliance. 2. To analyze Korean Case Law which challenges the legal conclusions, standard for examination of documents and New ISBP. 3. To draw out the criterion for conformity and discrepancy of description in invoices and WC and to provide the guidelines for determining the nature and extent of an issuing bank's duty of documentary compliance. 4. Finally to suggest some implications through the Korean case law. By using the examination standards for description of goods suggested in Korean Case Law and New ISBP, the traders will be able to prepare documentation more perfectly and document checkers will be able to examine the negotiation documents more easily.

• 한국지구과학회지
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• 제23권2호
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• pp.147-153
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• 2002

Reasonable and reliable assessment method is one of the most important issues in science education, Partial credits method is an effective tool for assessing students' science inquiry problem solving. The purposes of this study were to classify the Problem solving types based on the analysis of the thinking Process, and how much the related science concept and the science process skills were used in solving science inquiry problems, and to describe the possibility and rationality of the assessment method that gives partial credit 128 high school seniors were selected and their answers were analyzed to identify science concepts they used to solve each problem, and the result was used as the criterion in the scientific concept test development. Also, to study the science inquiry problem solving type, 152 high school seniors were selected, and protocols were made from audio-taped data of their problem solving process through a think-aloud method and retrospective interviews. In order to get a raw data needed in statistical comparison of reliability, discrimination and the difficulty of the test and the production of the regression equation that determines the ratio of partial credit, 640 students were selected and they were given a science inquiry problem test, a science process skills test, and a scientific concept test. Research result suggested it is more reasonable and reliable to switch to the assessment method that applies partial credit to different problem solving types based on the analysis of the thinking process in problem solving process, instead of the dichotomous credit method.

• 융합보안논문지
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• 제16권5호
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• pp.33-40
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• 2016

신용카드는 기능면에서 현금과 유사하게 사용되어지는 지불수단으로서 이를 이용하는 사용자가 지속적으로 증가해 왔다. 인터넷 및 전자상거래의 발전에 따라 신용카드는 지급결제 수단으로서의 역할이 더욱 증대되었다. 그러나 정보의 집중화 및 온라인화로 인하여 발생하는 위험 또한 급격히 증가함에 따라 신용카드의 부정사용 역시 증가하고 있다. 부정사용의 유형별로는 카드사와 금융당국의 대응방안 마련으로 도난 분실은 감소하고 위변조와 명의도용이 증가하고 있다. 최근 개인정보유출과 간편결제 시행에 따른 금융보안규제 완화로 카드 부정사용에 대한 소비자의 불안감이 커지고 있고 카드 부정사용의 증가는 사회적 비용을 초래할 뿐만 아니라 신용시스템에 대한 금융소비자의 신뢰를 떨어뜨리므로 이에 대한 대책이 필요하다. 따라서 본 논문에서는 카드 운영 체계의 보안문제점을 살펴보고 부정사용을 방지할 수 있는 방안으로 IC단말기로의 조속한 전환, 새로운 보안기술의 도입, 당국의 관리 감독 강화 등을 제시하고자 한다.

• 통상정보연구
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• 제15권1호
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• pp.259-283
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• 2013

수출신용보증은 수출계약과 관련하여 외국환은행이 중소기업자인 수출업자에게 수출신용보증서를 담보로 대출함에 따라 발생하는 수출자의 상환채무에 대하여 한국무역보험공사가 그 지급을 연대보증하는 것으로 외국환은행은 안심하고 수출금융을 취급할 수 있다. 또한 중소기업 수출자도 별도의 담보를 제공하지 않아 현재 중소기업은 전용보증제도인 수출보험제도를 가장 선호하고 있다. 하지만 한국무역보험공사가 지원하는 수출신용보증의 경우 최근 5년간 인수실적이 공사 전체 인수실적(보험 및 보증인수 총액, 총 604조여 원)의 2.64%(16조여 원)에 불과한데도 5,262억 원의 보험수지 적자가 발생하는 등 무역기금손실의 주요 요인으로 작용하고 있다. 따라서 본고에서는 중소기업의 건전한 수출지원 정책으로서 안정적인 무역금융지원기반을 마련하고 기금운용의 건전성 확보와 절감 방안을 검토하기 위해 2011년 11월 감사원의 무역보험실태 보고서를 토대로 수출신용보증제도의 사례분석을 통해 문제점을 고찰하고 무역보험운용상의 개선방안을 도출하고자 한다.

• 아태비즈니스연구
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• 제11권3호
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• pp.169-184
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• 2020

Purpose - This research is intended to analyze the current status and problems of tax benefits in the R&D sector and suggest ways to improve tax credit for research and manpower development expenses when various countries fiercely develop efforts to enhance national competitiveness through increased investment in R&D Design/methodology/approach - This study will examine the current status of the tax support system for domestic and foreign R&D, and suggest improvement measures to expand research and development activities in the future. Findings - First, a plan may be considered to abolish and perpetuate the sunset deadline for tax credit for research and manpower development expenses as in the case of the United States and Japan. This perpetuation can be a proactive measure to actively support long-term R & D investment in companies facing economic decisions under uncertainty. Second, it should be revised to raise the tax credit rate of large corporations, which are shrinking every year, compared to SMEs, so that both large corporations and SMEs can improve their international competitiveness and secure excellent technologies through R & D. Finally, the target technologies for each new growth engine and source technology should be expanded to various fields, including national cybersecurity enhancement technology, aviation engine technology, carbon emission and global cooling technologies, which are areas of interest in major overseas R&D countries, to help active R&D and investment in these areas. Research implications or Originality - This study can find a contribution in comparing and analyzing the national R&D tax support system and presenting improvement measures at a time when the benefits of tax credit for research and manpower development expenses of large companies are decreasing due to frequent tax law revisions and the government's factors of increasing tax revenues. In addition, recent research and development items and research technologies of foreign countries were analyzed by Nature's top 10 major science and technology issues, and advanced technologies that should be applied to target technology areas by new growth engine and source technology were specifically investigated and presented.

• 무역상무연구
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• 제12권
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• pp.461-494
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• 1999

This study is to analyse the applicability of governing law in multi-party contractual relationship of letter of credit. And this study is also to suggest the limits of the possibility of applicable law in multi-party contract. The contract of letter of credit constitutes complex relationship, i.e., applicant -beneficiary, applicant-issuing bank, issuing bank-intermediary bank ect. The law applicable to letter of credit should not use a singular governing law in all credit transaction as sales contract. To solve these problems, the author analysed the law applicable to the credit under multi-party contractual relationship as follow : (1) the principle of party autonomy (2) In the absence of express agreement with regard to the law applicable to the contract, lex loci contractus, lex loci solutionis, the law intended by the parties, the law with which contract is most closely connected. Accordingly, when attempting to ascertain the law governing the credit, it should be borne in mind that the credit involves several contractual relationships. I would like to conclude as follows: 1. The contract between the applicant and the Issuing bank is to be governed by the law of the country where the contract is made, and in which the bank carries on business and has issued the credit. 2. When it comes to the beneficiary-Intermediary bank relationship the following rule is given : The liability of an intermediary bank to the seller is governed by the law the country where the intermediary bank is operating if it is acting as principal. If, however, it is acting as agent(advising bank), it will be the law of the country where his principal is situate. 3. The contract between the beneficiary and the Issuing bank is governed by the law of the country where the payment is to be performed. 4. The contract between the Issuing bank and Intermediary bank is governed by 1) the law of the issuing bank is applicable if the intermediary bank only advises the credit, 2) the law of the issuing bank is applicable but if the intermediary bank makes payment, accepts or negotiates drafts against the tender of the documents, i.e., act as the bank dffecting the payment., 3) the law of the confirming bank is applicable if the irrevocable letter of credit is confirmed by the intermediary bank

• 지능정보연구
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• 제17권3호
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• pp.25-41
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• 2011

최근 몇 년간 SVM(support vector machines)기법은 패턴인식 또는 분류의사결정문제를 위한 분석기법으로서 기존의 데이터마이닝 기법과 비교할 때, 매우 높은 성과를 갖는 것으로 인식되어 왔다. 더 나아나 많은 연구자들은 SVM기법이 1980년대 이후 대표적인 예측 및 분류모형으로 인정받은 인공신경망기법(ANNs : Artificial Neural Networks)에 비해 더 성과가 좋다는 사실을 실증적으로 입증해 왔다(Amendolia et al., 2003; Huang et al., 2004, Huang et al., 2005; Tay and Cao, 2001; Min and Lee, 2005; Shin et al., 2005; Kim, 2003). 일반적으로 이와 같이 다양한 데이터마이닝 기법에 의해 분석되는 이진분류 또는 다분류 의사결정문제들은 특히 금융분야 등에 있어서 오분류비용에 민감하며, 이로 인한 오분류의 경제적 손실도 상대적으로 매우 크다고 할 수 있다. 따라서 기업부도예측모형과 같은 이진분류모형의 결과값을, 부도확률에 기초하여 정교하게 계산된 사후확률의 개념으로서 다분류의 신용등급평가의 문제로 변환할 필요가 있다. 그러나, SVM 모형의 결과값은 기본적으로 그와 같은 부도확률분포를 보여주지 않는다. 따라서, 그러한 확률분포를 정교하게 보여줄 방법을 제시할 필요가 있다(Platt, 1999; Drish, 2001). 본 연구는 AdaBoost 알고리즘기반의 SVM 모형을 이용하여, 이진분류모형으로서 IT 기업의 부실예측모형에 적용한 후, 이 SVM 모형의 예측결과를 SVM의 손실함수에 적용하여 계산된 값을 사후부도확률의 정규분포 특성에 따라 이를 구간화하여 IT기업에 대한 다분류 신용등급 평가의 문제로 전환시키는 방법을 제시하였다. 그리고 본 연구에서 제안하는 방법은 이러한 AdaBoost 알고리즘기반 SVM 모형이 각 기업이 고유한 신용위험(부도확률)을 갖고 있다는 조건하에서, 신용등급부여를 위한 부도확률분포 구간을 정교하게 조정함으로써 오분류 문제를 좀 더 줄일 수 있음을 제시하였다.

• 무역상무연구
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• 제38권
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• pp.71-96
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• 2008

Letters of Credit are the most common method of payment for goods in the export trade, and banking practice relating to letters of credit is standardised by the Uniform Customs and Practice for Documentary Credits, which are a set of rules issued by the International Chamber of Commerce. The current version is UCP 600, which took effect on July 1, 2007. To assist the practitioners of Documentary Credits, the KCCI(Koea Chamber of Commerce and Industry) authorised a new publication-Official Commentary on UCP 600. This new publication added the word "official" in the title. In order to being an official commentary, the terms and expression should be correct and unified. But there is some problems in official commentary and legal phraseology. The problem was appeared that ICC UCP 600's were translated into Korean UCP 600 version. For example, "Issuing Bank", "Applicant", "Port of discharge", "A date of pick-up", "Shipper's load and count", "Courier Receipt", "Charter Party", "Bill of Lading", "Cover Note", "Exclusion Clause", "Insurance Certificate", "Declaration, Underwriter". If can be used 'Official Commentary on UCP 600', the above statements should be a compliment though take a wide professional opinions or held a public hearings. The Purpose of this paper is to point out the problems and substitute the term used and unify the expression in official commentary.