• The Journal of Asian Finance, Economics and Business
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• 제8권4호
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• pp.171-180
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• 2021

The purpose of this paper is to estimate the impact of credit rationing on the amount of trade credit used by farmers in Vietnam. This study employs a survey data collected through direct interviews with heads of 1,065 rice households randomly selected out of provinces and city in the Mekong River Delta (MRD). In each province or city, the village with the largest area of land devoted to rice production from the district with the largest area of land devoted to rice production was picked up for survey. In each village, 200 rice farmers were randomly chosen for interview. Based on a probit model and a semi-parametric propensity score matching (PSM) estimator while controlling socio-demographic traits of rice farmers, the estimated results show that non-credit rationed farmers use less trade credit to finance production compared to their credit rationed counterparts. Moreover, the amount of trade credit used by farmers decreases as the degree of credit rationing drops. This paper provides evidence of the substitutive relationship between bank credit and trade credit. It also implicitly suggests that banks can drive trade creditors out of the market if they manage to solve the problem of information asymmetry and transaction cost.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제16권12호
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• pp.3923-3942
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• 2022

Environment, price, regulation, and other factors influence the price of agricultural products, which is a social signal of product supply and demand. The price of many agricultural products fluctuates greatly due to the asymmetry between production and marketing details. Horticultural goods are particularly price sensitive because they cannot be stored for long periods of time. It is very important and helpful to forecast the price of horticultural products which is crucial in designing a cropping plan. The proposed method guides the farmers in agricultural product production and harvesting plans. Farmers can benefit from long-term forecasting since it helps them plan their planting and harvesting schedules. Customers can also profit from daily average price estimates for the short term. This paper study the time series models such as ARIMA, SARIMA, and neural network models such as BPN, LSTM and are used for wheat cost prediction in India. A large scale available data set is collected and tested. The results shows that since ARIMA and SARIMA models are well suited for small-scale, continuous, and periodic data, the BPN and LSTM provide more accurate and faster results for predicting well weekly and monthly trends of price fluctuation.

• 패션비즈니스
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• 제27권6호
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• pp.1-17
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• 2023

This study aimed to develop a modern textile design based on the formability of Frank Stella's paintings and to develop and present a fashion design that combines modern sensibility as a 3D virtual clothing program. The formative characteristics of Frank Stella's work were 'unity due to regular stripes', 'asymmetry due to geometric surface division', and 'decorabilitydue to colorful use'. Based on this, costume patterns and textiles based on Frank Stella's paintings were developed and six 3D virtual fashion design works were produced. The conclusion was as follows. First, it was confirmed that Frank Stella's work has a very wide range of applications to fashion products as abstract expression and minimal simplicity coexist visually. Second, various colors and forms of Frank Stella's paintings could be developed using textiles with visual formability, and originality as a fashion work applied with paintings could be maximized. Third, the development of 3D fashion using virtual programs had the ease of time efficiency, cost reduction, and spatiotemporal expansion of work processing compared to the actual costume production process. In addition, the simulation of 3D virtual wear made it easy to modify and recover the position of the textile to be applied to the costume and create a new design in the process of transforming the position of various textiles. It is expected that this study results will be used as basic data for the future conversion content industry in the painting and fashion industries.

• 중소기업연구
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• 제41권1호
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• pp.29-51
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• 2019

본 연구는 중소기업의 자본조달 방식이 기업가치에 어떤 영향을 미치는지 살펴보고 있다. 자본시장에서의 정보비대칭을 고려할 때 투자자들은 중소기업이 자본조달의 포트폴리오(내부유보자금과 부채)를 어떻게 구성하는지에 따라 부채의 의미를 해석하고 투자의사결정을 한다. 구체적으로 중소기업의 부채발행은 '효용'과 '비용'의 양면적인 의미를 내포하고 있다고 볼 때, 본 연구는 내부유보자금과 부채의 선택경쟁 하에서 투자자들이 부채발행의 의미를 어떻게 해석하느냐에 따라 기업가치가 상이하게 나타날 것으로 본다. 본 연구에서는 내부유보자금 또는 부채의 선택경쟁 상황에서, 중소기업의 부채비중이 커질수록 비용신호가 우세하여 기업가치에 부정적인 영향을 미칠 것으로 예측한다. 또한, 이러한 신호효과는 해당 기업이 얼마나 가시적인가에 의해 영향을 받을 것으로 본다. 이와 같은 주장을 검증하기 위해서, 미국의 중소기업 363개를 대상으로 부채발행 비중(부채-이익잉여금 비율)이 기업가치(토빈 q 비율)에 미치는 영향을 분석하였다. 분석결과, 선택경쟁에서 중소기업의 부채비중은 기업가치에 부정적인 영향을 미치며, 해당 기업의 높은 가시성이 비용신호의 효과를 완화하는 것으로 나타났다. 본 연구의 분석결과는 중소기업의 자본조달 방식이 기업가치에 미치는 영향은 투자자들의 관점에서 재조명할 필요가 있음을 의미한다.

• 대한두개안면성형외과학회지
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• 제21권2호
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• pp.92-98
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• 2020

Background: Posttraumatic acquired facial deformities require surgical treatment, with options including scar revision, fat grafts, implant insertion, and flap coverage. However, each technique has specific advantages and disadvantages. Methods: From 2016 to 2018, 13 patients (eight with scar contracture and five with a depressed scar) were treated using dermofat grafts from the groin. The harvested dermofat was then inserted into the undermined dead space after the contracture was released, and a bolster suture was done for fixation considering the patient's contour and asymmetry. A modified version of the Vancouver Scar Scale and satisfaction survey were used to compare deformity improvements before and after surgery. Results: In most cases, effective volume correction and an aesthetically satisfactory contour were maintained well after dermofat grafting, without any major complications. In some cases, however, lipolysis proceeded rapidly when inflammation and infection were not completely eliminated. A significant difference was found in the modified Vancouver Scar Scale before and after surgery, with a p-value of 0.001. The average score on the satisfaction survey was 17.07 out of 20 points. Conclusion: A dermofat graft with the groin as the donor site can be considered as an effective surgical option that is the simplest and most cost-effective method for the treatment of acquired facial deformities with scar contracture.

• 자원ㆍ환경경제연구
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• 제29권1호
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• pp.47-89
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• 2020

본 연구는 한국의 천연가스시장에 경쟁을 도입하는 정책이 사회후생에 미치는 영향을 이론적으로 분석하였다. 기존의 독점기업은 천연가스의 저장/운송을 위한 필수설비를 보유하고 있으나, 경쟁도입을 위해 신규기업 진입 시 필수설비를 공유해야 하는 의무를 지게 되었다. 독점기업이 천연가스의 가격과 필수설비 접속료를 자유롭게 설정할 수 있는 경우, 신규기업의 진입은 사회후생을 증가시킬 뿐만 아니라 독점기업의 이윤도 증가시킨다. 그러나 정부가 가격규제를 시행하는 경우, 설비 운용비용에 대한 정보의 비대칭성이 있는지의 여부에 따라 사회후생이 결정된다. 정부가 완전한 정보를 가지고 있는 경우에는 사회후생을 극대화하는 선택을 쉽게 유도할 수 있으나, 그렇지 않은 경우 정부는 불완전한 정보를 바탕으로 가격규제를 시행하게 된다. 본 연구에서는 정부와 기업들의 의사결정을 베이지안 게임을 통해 분석하여, 완전 베이지안 균형 아래서 독점기업이 공개하는 정보의 양에 따라 사회후생이 어떻게 변화하는지 살펴보았다.

• 자원ㆍ환경경제연구
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• 제25권4호
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• pp.495-516
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• 2016

본 연구는 국제 원유가격의 변동에 따른 수송용 유류제품 가격의 비대칭성(rockets and feather)을 오차수정모형을 사용하여 분석한다. 회귀분석결과에 따르면, 모든 수송용 유류제품에서 비대칭성 현상이 일관성 있게 나타났으며, 특히 고급휘발유에서는 타 유종에 비해서 비용 상승기와 비용 하강기에 모두에서 비용의 변화의 충격에 민감하게 반응하는 것으로 추정되었다. 이는 비용상승기의 경우, 마진이 높은 고급휘발유의 특성상, 이를 빠르게 반영하는 것은 이윤극대화를 추구하는 기업의 합리적인 반응일 것으로 추정된다. 그러나 비용이 하락할 경우에 고급휘발유가 타 유종에 비해서 빠르게 하락하는 현상은, 고급휘발유 가격이 상승할 때, 일반휘발유로 이동했던 소비자들과 고급휘발유에 대한 잠재적 수요를 가진 일반 휘발유 소비자들을 고급휘발유 소비로 끌어들일 수 있는 유인이 존재하기 때문으로 판단된다.

• Archives of Plastic Surgery
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• 제35권2호
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• pp.219-222
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• 2008

Purpose: The purpose of this study is to develop hydroxyapatite cement simplified procedures for reconstruction of craniofacial deformities. Due to its expense and characteristics of quick hardening time, it may be inappropriate for forehead reconstruction or augmentation. Therefore we hear by introduce a more precise, easy and cheap method. The authors report forehead reconstruction with hydroxyapatite cement for a patient who suffered from craniofacial deformity. Methods: Case report and literature review. Results: A 35 year old man came to us with forehead and temporal area depression. He had a history of brain operations due to traumatic epidural hematoma. A physical exam showed an evidence of right side forehead weakness sign. Authors made RP model of his skull and applied check framework with Kirschner's wires for measuring accurate volume and contour on the depressed right side forehead area on the RP model. After complete exposure of defect area by bicoronary insicion, absorbable plate which applied on skull area was removed. Using three Kirschner's wires, authors made check framework on the right forehead lively and fixed with 2-hole miniplates on the boundary of the defect. After checking asymmetry, hydroxyapatite was applied on check shape framework just above Kirschner's wire. After removing Kirschner's wire, we corrected minimal unbalance and contour with bur. Conclusion: Check framework with Kirschner's wire was very convenient and cost saving methods for forehead reconstruction with hydroxyapatite cement.

• 한국콘텐츠학회논문지
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• 제12권2호
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• pp.388-397
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• 2012

최근 코스닥기업의 사이버 IR활동이 증가하고 있다. 이는 코스닥기업 입장에서 사이버 도구가 비용은 낮고 접근성은 높기 때문인 것으로 풀이된다. 따라서 본 연구에서는 사이버 IR을 실시한 코스닥기업을 대상으로 사이버 IR의 전반적인 효과를 검증하였다. 또한 사이버 IR을 실시한 기업의 대주주지분율 크기와 벤처기업 여부가 IR실시 이전기간(사전기간)과 이후기간(사후기간)에 주가(누적초과수익률)에 미치는 영향의 차이를 검증하였다. 분석결과는 다음과 같다. 첫째, 코스닥 기업은 IR 실시 전기간 동안 주가가 상승하는 것으로 나타났다. 이는 투자자들이 코스닥 기업의 IR활동을 사전적으로 호재로 인식하고 있기 때문인 것으로 풀이된다. 둘째, 대주주지분이 높은 집단에 비해 대주주지분이 낮은 집단의 초과수익률이 높게 나타났다. 대주주지분이 낮은 집단의 경우 투자자들을 의식한 보고행위와 감시제도가 효과적으로 그 기능을 수행하고 있음을 시사한다. 셋째, 코스닥 일반기업의 IR 실시효과보다 신기술을 기업 성장 및 발전의 기초로 삼고 있는 벤처기업의 IR 실시효과가 더 큰 것으로 나타났다.

• 무역학회지
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• 제46권4호
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• pp.189-204
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• 2021

The fourth industrial revolution is affecting the industry as a whole, and the current logistics industry is coexisting with crises and opportunities. As part of overcoming this situation, the online platformization of the logistics market has recently been rapidly taking place, and the growth of e-commerce around developed countries has emerged as a demand for flexible freight services that can send and receive cargo anywhere and anytime at appropriate cost. However, the logistics industry has not been able to change rapidly in line with the demands of the market as it is immersed in traditional transportation transactions. Thus, the digital transformation of the freight market has become urgent to address problems such as uncertainty over traditionally closed and conservative freight market transaction processes and the lack of reliability caused by information asymmetry. Therefore, innovative domestic and foreign companies are attempting to establish a new way of transporting cargo, especially a marketplace way of connecting suppliers and consumers. Current status analysis and case studies were conducted through existing literature surveys, and prior research on freight market place selection factors was previewed, and the selection factors were stratified into five upper and 19 lower factors. Through this study, it is expected that improvements for sustainable growth of freight marketplace companies will be derived and that it will be a basic study of establishing management strategies through marketplace operation and quality control. In addition, it is deemed that the priority of customer requirements can be actively accepted, providing an opportunity to actively respond and strengthen corporate competitiveness.