• 한국국방경영분석학회지
• /
• 제29권1호
• /
• pp.1-7
• /
• 2003

In a game called red and black, you can stake any amount s in your possession. Suppose you. goal is 1 and you. current fortune is i with 0 < f < 1. You win back your stake and as much more with probability p and lose your stake with probability, q = 1 - p. Ahn(2000) considered optimum strategy for this game with the value of p greater than \frac{1}{2} where the player has the advantage over the house. The optimum strategy at any when p>\frac{1}{2} is to play timidly, which is to bet a small amount each time. In this paper we perform the simulation study to show that the Timin strategy is optimum.

• 한국국방경영분석학회지
• /
• 제14권1호
• /
• pp.63-83
• /
• 1988

This study is concerned with the equilibrium bidding strategy and the optimal auction design of sequential auction with a reserve price and an entry fee. It is assumed that each bidder has a fixed reservation value and draws the reservation values of other bidders independently in the same distribution and may obtain at most one object to be sold. Under such assumptions, the sequential auction will be analyzed by the game theoretic approach. The purpose of this paper is, in the sequential auction, to find the equilibrium bidding strategy and to design the optimal auction under the equilibrium bidding strategy. The equilibrium bidding strategy and the optimal auction design are further analyzed with respect to change of the reserve price, the entry fee, and the number of bidders and objects. Specially, the auctioneer's expected revenue for each auction is obtained and analyzed.

• 경영과학
• /
• 제23권1호
• /
• pp.75-85
• /
• 2006

The rectilinear Steiner tree problem (RSTP) is to find a minimum-length rectilinear interconnection of a set of terminals in the plane. It is well known that the solution to this problem will be the minimal spanning tree(MST) on some set Steiner points. The RSTP is known to be NP-complete. The RSTP has received a lot of attention in the literature and heuristic and optimal algorithms have been proposed. A key performance measure of the algorithm for the RSTP is the reduction rate that is achieved by the difference between the objective value of the RSTP and that of the MST without Steiner points. A hybrid evolutionary strategy on RSTP based upon nodes set is presented. The computational results show that the hybrid evolutionary strategy is better than the previously proposed other heuristic. The average reduction rate of solutions from the evolutionary strategy is about 11.14%, which is almost similar to that of optimal solutions.

• 한국국방경영분석학회지
• /
• 제13권2호
• /
• pp.63-83
• /
• 1987

This study is concerned with the equilibrium bidding strategy and the optimal auction design of sequential auction with a reserve price and an entry fee. It is assumed that each bidder has a fixed reservation value and draws the reservation values of other bidders independently in the same distribution and may obtain at most one object to be sold. Under such assumptions, the sequential auction will be analyzed by the game theoretic approach. The purpose of this paper is, in the sequential auction, to find the equilibrium bidding strategy and to design the optimal auction under the equilibrium bidding strategy. The equilibrium bidding strategy and the optimal auction design are further analyzed with respect to change of the reserve price, the entry fee, and the number of bidders and objects. Specially, the auctioneer's expected revenue for each auction is obtained and analyzed.

• Journal of Power Electronics
• /
• 제19권1호
• /
• pp.99-107
• /
• 2019

This study proposes a new modulation strategy to deal with unbalanced output voltage that is based on three-level neutral-point-clamped cascaded rectifiers. The fundament idea is to reallocate the value of the voltage levels generated by each of the modules on the basis of space vector pulse width modulation. This proposed modulation strategy can reduce the switching frequency while maintaining the mutual-module voltage balance. First, an analysis of unbalanced output voltage is reflected. Then a new modulation strategy is introduced in detail. Internal module capacitor voltages are balanced by the selection of redundant vectors. Moreover, the voltage balance ability is calculated. Finally, the feasibility of this modulation strategy is verified through experimental results.

• 패션비즈니스
• /
• 제9권5호
• /
• pp.96-113
• /
• 2005

The purpose of this study was to examine acutely effective marketing strategies for bridge line imported handbag brands in order to succeed in launch and establishment in local market. Based on the successful bridge line imported handbag brands status in local market, this selected the brands, "LeSprotsac", "Longchamp", "Sequoia" that execute brand strategy including positioning strategies such as basic concept, prices, materials, promotion, distributions in order to succeed in local launching. For corroborate analysis, three staffs in each brands, consecutive in-person interviews and continuous telephone interviews, mail survey were used for this study. The results were as follows; First, differentiate brand positioning strategy that has considered accurate analysis of niche market and domestic market environment when brand launch effects on brand value enhancement. Second, marketing mix activity based on positioning strategy effects on establishing brand image and spreading brand awareness. Third, marketing activity based on positioning strategy should be executed based on consistent brand strategy.

• 한국의류산업학회지
• /
• 제16권3호
• /
• pp.386-395
• /
• 2014

This study was to identify underlying dimension of marketing strategy, and to examine effect of the marketing strategic factors on store affect, brand attitude, and brand loyalty in global and domestic SPA brands. Based on pilot study, four SPA brands of which consumers were most aware were selected: Korean SPAs (e.g., Codes-Combine, Basic House) and global brands (e.g., Zara and Uniqlo). A self-administered questionnaire was developed based on literatures. By using intercept survey, 421 respondents were obtained from consumers shopping at the selected SPA retail stores located in cities (Seoul, Daejon, Chongju) in Korea. Result showed that SPA brand marketing strategy consisted of four factors: Product differentiation, store location, in-store VMD, and price value. The marketing strategic factors had partially significant effects on brand attitude, store affect and store loyalty. However, there was significant differences in those effects between global and Korean SPA brands. Specifically, the effect of in-store VMD on brand attitude was higher in Korean SPA brands, whereas the effect of price value was higher in global SPA brand. Also, the price value was significant predictor of store affects in global SPAs, while in-store VMD was significant predictor of store loyalty in Korean SPA brands. This study discussed a managerial implication for creating brand attitude and emotional responses, which obtains comparative advantages in the competing marketplace.

• 한국IT서비스학회지
• /
• 제20권2호
• /
• pp.127-146
• /
• 2021

Donation-based crowdfunding(DBC) is conducted from voluntary participation by project operators. It requires a different operational strategy than general crowdfunding. However, there is a limited amount of research on the operational strategy of DBC. This study explores the value co-creation(VCC) strategy of DBC and analyzes the operation of DonorsChoose.org. The research questions encompass the following: First, we identify the VCC activities of DBC. Second, we uncover activities of the platform operators that facilitate the participation of project operators in VCC activities. Third, we explore how VCC activities affect project operational performance and platform performance in DBC. By adopting a single case study method on DonorsChoose.org, this study provides meaningful insight and detailed understanding into the VCC in DBC. First, VCC processes of DBC are identified(Co-ideation, Co-design, Co-funding, Co-operation, and Co-evaluation). Also, interactions between platform operators and project operators were defined at each stage. Second, this study confirmed that standardization and simplification of platform operators, support for pre- and post-activity, and high-quality information delivery activities were critical. Third, we confirm that these VCC activities improve VCC operational performance and platform performance. The theoretical significance of this study is that the concept of VCC, previously concentrated on participants with economic drivers(consumers and investors), has been applied to the context of DBC, a form of participation by participants with non-economic drivers(supporters and donors). In addition, this study practically contributes to the practice of VCC strategy among various platform operating strategies in DBC.

• 유통과학연구
• /
• 제8권3호
• /
• pp.37-47
• /
• 2010

CRM은 고객에 대한 가치를 잘 이해하고 고객정보를 바탕으로 하여 그들의 욕구를 충족시키고 나아가서는 평생가치(Life Time Value)를 극대화시킬 수 있는 전략수립 및 고객관리프로세스를 통합적으로 잘 운영하는 것이다. 또한 이를 고객들과 좋은 관계로 유지 발전시켜서 궁극적으로는 회사의 수익을 최대화하기 위한 경영활동이다. 성공적인 CRM을 위한 전략은 고객접점을 담당하는 조직의 변화와 고객관리 프로세스를 재설계한 후에, 기업이 장기적인 계획으로 고객관계를 유지시키는 마케팅 전략과 시장 환경대응에 적절한 방법으로 통합시스템을 구축하여 전사적인 프로그램으로 전개되어야 한다. 또한 CRM 프로그램을 꾸준히 기업 특성에 맞게 개선과 보완활동을 펴나가야만 한다. 특히 중소규모의 유통업체들의 성공적인 CRM을 위한 전략은 다음과 같다. 첫째, CRM에 대한 인식을 바꾸고 고객에 대한 관심을 깊이 기울여야 한다. 둘째, 선진기업들의 CRM 기법을 벤치마킹하여 성공 포인트를 찾아내어 활용한다. 셋째, 나만의 재주와 장기를 마케팅에 접목하는 아이디어를 통해 자사 여건에 알맞은 방법을 모색한다. 넷째, 작지만 화제성 강한 이벤트 행사 등을 통하여 스위스의 소상공인의 사례처럼 개별고객에 대한 관계증진을 키울 수 있는 CRM 모델을 개발하여야 한다.

• 대한안전경영과학회:학술대회논문집
• /
• 대한안전경영과학회 2012년 추계학술대회
• /
• pp.431-434
• /
• 2012

The paper reviews properties of hypothesis decision approaches using rejection region and significance probability. The study also presents the guidelines for quality practioners to implement most useful hypothesis testing techniques such as RR(Rejection Region) approach and P-Value approach.