• Asia Marketing Journal
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• 제15권1호
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• pp.169-188
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• 2013

Established in 2006 as the forward integration effort by Taesung Industry, the major cosmetic packaging company, TONYMOLY has phenomenally grown to one of the major cosmetic brand companies in the submarket called, 'one brand-shop' of cosmetic market since 2008, after overcoming the crisis of 'going out of business' in a couple of early years. Within a relatively short period of time, TONYMOLY's performances have dramatically improved in terms of metrics such as growth in sales revenue, the number of stores, the average sales per store, transaction value per customer, the number of monthly transactions, the number of membership-based customers, and overseas sales. In this case study, we have examined TONYMOLY's recent marketing activities which may explain the plausible reasons behind the substantial growth of a small but smart cosmetic company. Above all, the first key success factor of TONYMOLY would be found in its adherence to the clear philosophy of the customer value proposition and/or the differentiated position of TONYMOLY as a brand of providing value. Second, this brand concept of value was first penetrated and welcomed among the foothold customer target group of mid and late teens with appropriate products, while the target groups were later expanded into the age group of twenties along with expansion of relevant products. Third, its differentiation efforts have been concrete and meaningful by utilizing unique ingredients in its product development and marketing efforts, unique fun packaging, and continuously introducing new hit-selling products as well as managing steady-selling products. Fourth, TONYMOLY has been smart enough to use its limited marketing money efficiently and effectively in its marketing communication activities. Viral marketing, PPL, and concentrated media planning and execution turned out to produce effective and efficient market-based performances such as awareness, word-of-mouth, and sales. Lastly, the marketing leadership of CEO and top management, emphasizing communications and interactions, was confirmed in the relationship quality with and trust level of its franchisees and internal employees. These key success factors may explain the recent phenomenal market performances of TONYMOLY. Despite recent successes, the major issues are presented for TONYMOLY to consider for maintaining its sustainable advantages and growth. The first issue concerns TONYMOLY's choice of growth philosophy between product/brand-centric marketing and customer-centric marketing. The second challenging issue relates to how TONYMOLY can cope with 'growing pains' plausibly accompanied with the rapid growth.

• 한국컴퓨터정보학회논문지
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• 제7권2호
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• pp.196-204
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• 2002

본 연구에서는 1998년 7월부터 2001년 6월까지의 KOSPI 200 주가지수선물시장을 대상으로 가격발견기능의 특성에 관한 세 가지 가설을 검증하였다. 먼저 현물시장의 공매제약으로 인한 가격발견기능의 변화 여부를 검증하기 위한 '가격발견기능은 상승장보다 하락장에서 강하게 나타난다. '는 가설은 상승장보다 하락장에서 선도시간이 더 길게 보고되었고 이는 예상대로 현물시장의 공매제약으로 인한 하락장에서의 정보 실현의 난점으로 인하여 하락장에서의 가격발견기능이 더 크게 나타나는 것을 알 수 있었다. 다음으로 주식시장의 빈번하지 않은 거래 효과가 가격발견기능에 미치는 영향을 살펴본 '현물시장의 거래량의 증가로 인하여 가격발견기능은 감소한다' 는 가설은 현물시장이 거래량이 많은 경우보다 적은 경우에 선물시장의 가격발견기능이 크게 나타났다. 현물시장의 거래량이 미약할 때 빈번하지 않은 거래효과로 인하여 주가지수를 구성하는 종목들이 시장에 새로 진입한 정보를 빠르게 소화하지 못하여 현물 시장에 대한 선물시장의 가격발견기능이 더 크게 나타나는 것을 알 수 있다. 마지막으로 차익거래가 가격발견기능에 대한 영향을 간접적으로 살펴보기 위한 '만기일의 가격발견기능은 만기일전과 다르다' 는 가설은 만기일과 만기일전의 가격발견기능에는 특정한 차이가 없음을 밝혀냈다.

• 한국경영과학회:학술대회논문집
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• 한국경영과학회/대한산업공학회 2005년도 춘계공동학술대회 발표논문
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• pp.904-913
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• 2005

This paper deals with an integrated problem of inventory control and dynamic pricing strategies for a commodity with price and sales-period dependent demand pattern, where a seller and customers have complete information of each other. The problem consists of two parts; one is each buyer's benefit problem which makes the best decision on price and time for buyer to purchase items, and the other one is a seller's profit problem which decides an optimal sales strategy concerned with inventory control and discount schedule. The seller's profit function consists of sales revenue and inventory holding cost functions. The two parts are closely related into each other with some related variables, so that any existing general solution methods can not be applied. Therefore, a simplified model with single seller and two customers in considered first, where demand for multiple units is allowed to each customer within a time limit. Therewith, the model is generalized for a n-customer-classes problem. To solve the proposed n-customer-set problem, a dynamic programming algorithm is derived. In the proposed dynamic programming algorithm, an intermediate profit function is used, which is computed in case of a fixed initial inventory level and then adjusted in searching for an optimal inventory level. This leads to an optimal sales strategy for a seller, which can derive an optimal decision on both an initial inventory level and a discount schedule, in $O(n^2)$ time. This result can be used for some extended problems with a small customer set and a short selling period, including sales strategy for department stores, Dutch auction for items with heavy holding cost, open tender of materials, quantity-limited sales, and cooperative buying in the on/off markets.

• 한국콘텐츠학회논문지
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• 제14권3호
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• pp.374-384
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• 2014

우리나라 유가증권시장의 추세 흐름과 투자자들의 투자 포지션의 관계를 중심으로 투자자들의 거래가 어떠한 특징을 갖는지를 실증적으로 분석하였다. 연구 대상 기간은 2004년 1월부터 2011년 12월까지 8년간인 총 96개월의 1,991일간이다. 분석에 사용된 자료는 한국종합주가지수(KOSPI)와 각 거래집단의 총매수량과 매도량, 매수대금과 매도대금 등이다. 매월 말과 매일 종가 두 자료를 이용하여, 각 집단 간의 상관관계를 검정하고 회귀분석을 하였다. 본 연구는 시장을 장기적인 관점에서 국면을 세분화하여 각 투자집단의 투자 포지션을 검정하였다. 외국인들과 기관들은 주로 고가 종목에 대한 거래에 집중되었다는 것을 알 수 있었다. 그리고 국면을 좀 더 세분화하여 검정한 결과 외국인 투자자들은 기관들과는 달리 상승3기에 지수가 상승할 경우 증시에서 빠져나가는 현상을 볼 수 있었다. 하락 말기에 개인들은 매도를 증가시키고 있다는 것을 알 수 있었다. 일반적으로 개인들은 시장의 흐름과 역행하면서, 외국인 투자자들의 상대방이 되어 반대 포지션을 선택하고 있다고 할 수 있을 것 같다.

• 한국중재학회지:중재연구
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• 제18권3호
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• pp.117-138
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• 2008

This study lies on building the International Standardization of China Arbitration System for improving a relationship of mutual trust and the safety trade between China and other worldwide countries, especially, South Korea as their one of the biggest trading partners through the comparative analysis of China and UNCITRAL Arbitration Law. In this analysis, the differences from China and UNCITRAL in arbitration law are like belows ; lack of arbitrator's international mind, the limitation of private property right, prohibition of Ad. hoc arbitration, arbitrator's biased nationalism, localism, and their short specialties. a deficiency of the objectiveness for arbitrator's election, a judgement rejection of claimants by using nonattendance and walkout, impossibility of prior and temporary property custody for execution of arbitration award. etc. For the improvement of the International Standardization of China Arbitration, this paper propose as follows: 1) Extension of private property right, reorganization of tax system, realization of open competition, exclusion of 'Sinocentrism', globalization of arbitration system 2) The abolition of old fashioned bureaucracy with approval for ad.hoc arbitration 3) An education for arbitrator's internationalization, specialty, and to promote legal knowledge 4) A settlement of the third country arbitrators' selection for reflecting interested party's decision by the court in a selection system of arbitration committee. 5) Institutionalization of arbitration judgment that prevent for claimant's avoidance by using a withdrawal and an intentional absent 6) A permission of the right of claimant's court custody directly before the begging of arbitration request for the prevention for destruction of evidence and property concealment 7) Grant of the arbitration tribunal's interim measures of protection for private property preservation to the third party, proof security, prevention from the loss that selling the corruptible goods 8) Improvement of arbitration's efficiency from the exclusion of the obstacles that are forgery, concealed evidence, and arbitrator's bribe taking Lastly, I hope that this study will serve to promote friendly economic relationship between China and South Korea and strive for international equilibrium through the achievement of China Arbitration's International Standardization. I will finish this paper with a firm belief that this will lead to more advanced studies.

• Agribusiness and Information Management
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• 제8권1호
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• pp.1-10
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• 2016

Information and communication technologies (ICTs) have always mattered in agriculture too. In day-to-day practices of agriculture and allied sectors, the farmers often share their information. Changing weather patterns, soil conditions, pests and diseases always throw challenges to small and marginal farmers. So, the farmer needs up-dated information to cope with and even benefit from these changes. In the developing countries like India, where agriculture still plays a crucial role (over 58% of the rural households depend on agriculture as their livelihood) and the rising population from 1027 million to 1419 million during 2001-16 (a total rise of 38 percent or 1.3 percent per year) pose a lot of pressure on land and other resources to meet the food security needs on one hand and to meet the challenges of globalization on the other. Understanding and addressing these challenges are very crucial, in which ICT can play a major role. With the booming mobile, wireless, and Internet industries, ICT has found a foothold even in poor marginal and smallholder farms and in their activities. The survey conducted among the 120 farmers in Srikakulam district in India revealed that, ICT has revolutionized the agriculture in the modern days. Production and marketing information is accessed by 91% of the sample farmers through mobile in 2015, where it was only 5% in 2005. The extent of use of mobile phones by the farmers varied with the decision to be taken by them like Harvesting, packing, and storing (94%), Selling Decision (91%), Seed purchase (89%), Application of fertilizers and pesticides (88%) and Land preparation and planting (84%), other package of practices (77%). The farmers further opined that, 'Voice' was the dominating source of communication (96%) compared to Short Message Service (SMS) (only 27%) and Internet access (10%), as majority are illiterate. The use of camera (71%), Bluetooth (33%), Radio (61%) TV (41%) are the other means of sharing the information. In this context of importance of ICTs in Indian agriculture, greater attention justifies about the applications of ICT's to alleviate poverty and promote economic growth of the farming population.

• 한국안전학회지
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• 제19권3호
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• pp.32-39
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• 2004

This papers describes on the experimental consideration for the intrinsically-safe explosion-proof capability of rechargeable battery's body about main item rechargeable battery and cellular phone battery which is selling in domestic that IEC(International Electrotechnical Commission) recommend the measurement of ignition limit by short circuit of rechargeable battery and temperature increase test to use a explosion grade Group IIC type of explosion-proof type apparatus test an object of hydrogen gas. Because of that there are many different results for existence or nonexistence for ignition by different company and different types. It is concluded that the maximum of self temperature increasing by spark circuit of rechargeable battery is $180^{\circ}C$ in case of Nickel-Hydrogen and $110^{\circ}C$ in case of Nickel-Cadmium. The reaction of cellular battery for external temperature have following processes. It is confirmed that the temperature of reaction is rise slantly as the ambient temperature rising, then exterior shape of one is swell up and change when the temperature of ambient reach to about $130\~140^{\circ}C$, and when reach to about $160^{\circ}C$ the battery is blown up. Therefore, it is considered that have to be in considering selection of rechargeable battery using in itself due to different ignition limits of various rechargeable battery when the portable electric containing rechargeable battery are designed, produced and used, the characteristics and the proper safety factors of devices.

• 정보학연구
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• 제1권1호
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• pp.155-172
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• 1998

전자상거래의 경제적 효과는 인터넷의 활용으로 전제적인 거래비용을 줄임으로써 기업의 구조와 사업영역을 변화시키고, 중소기업의 시장진입을 쉽게 함으로써 다양한 거래형태와 많은 이익을 안겨주고 있다. 또한 전자상거래는 검색비용, 배달시간 등을 절감시키고 소매업을 변형시켜 제품의 설계와 소비자에게 최종판매되는 공급사슬의 매개와 교환에 영향을 끼치고 있다. 따라서 전자상거래에서 얻을 수 있는 전체적인 효과는 낮은 거래비용으로 국내외적인 경쟁촉진, 품질향상과 가격하락, 기업간 상거래와 소매업의 변형을 들 수 있다.

• 수산경영론집
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• 제52권1호
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• pp.1-22
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• 2021

This study aims to face common threats from the depletion of fish resources, the decline of production and employment as well as the increase of life risk in East Sea Rim countries, North Korea, South Korea, Japan and Russia due to the Chinese fishing fleets entering East Sea. The recent competition in fishing among fishing vessels and fleets of national origin operating in the East Sea has induced a significant change in the ecological landscape of the fishing fleets cluster while having influenced production and employment in the fishing industries of South Korea and Japan as well as life threat on the fishermen in North Korea. It seems that the population organizational ecological theory can be applied to this change. It can be seen as the isomorphism of the selection process over the exclusive economic zone (EEZ) to avoid the environment in which these North Korean fishing vessels are pushed against the Chinese fleet in the North Korean part of the East Sea. To resolve the fishery disputes or conflict in the common waters in East Sea, first of all, Chinese fishing fleets will be required to put international pressure so as to solve the unfairness of the illegal fishing and overfishing by the International Fishery Organization or the UN violations of the sanctions against North Korea selling fishing rights to China. Although it is not easy for South Korea to cooperate with North Korea in the short term, South Korea will be able to support the fishery infrastructure in North Korea in the mid- to the long-term to prevent the loss of innocent lives for their fishermen and to raise their incomes.

• 한국컴퓨터정보학회논문지
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• 제28권8호
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• pp.67-75
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• 2023

주가 예측은 금융시장에서 중요하게 다뤄지고 있는 주제이지만 영향을 미칠 수 있는 다수의 요소들로 인해 어려운 주제로 고려되고 있다. 본 논문에서는 시계열 예측 모델 (LSTM, GRU)과 데이터의 시간적 의존성을 고려하지 않는 비 시계열 예측 모델 (RF, SVR, KNN, LGBM)을 주가 예측에 적용하여 성능을 비교하고 분석하였다. 또한 주가 데이터와 기술적 분석 보조지표, 재무제표 지표, 매수매도 지표, 공매도, 외국인 지표 등 다양한 데이터를 조합 및 활용하여 최적의 예측 요소를 찾아내고 업종별로 주가 예측에 영향을 미치는 주요 요소들을 분석했다. 하이퍼파라미터 최적화 과정을 통해 알고리즘별 예측 성능을 향상 시키는 과정도 진행하여 성능에 영향을 주는 요인을 분석하였다. 변수 선택과 하이퍼 파라미터 최적화 과정을 거친 결과, 시계열 예측 알고리즘인 GRU, 그리고 LSTM+GRU의 예측 정확도가 가장 높은 것으로 나타났다.