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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Korean Management Science Review
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Journal DOI :
The Korean Operations and Management Science Society
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Volume & Issues
Volume 33, Issue 2 - Jun 2016
Volume 33, Issue 1 - Mar 2016
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Minimizing Total Completion Times in a Two-machine Flowshop Scheduling with Outsourcing Strategy allowed
Yoo, Jaewook ; Lee, Ik Sun ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 1~10
DOI : 10.7737/KMSR.2016.33.2.001
We treats a job scheduling in a 2-machine flow-shop problem with outsourcing strategy allowed. Jobs in the first machine are processed in-house or outsourced to the other companies. In this paper, all the considered jobs are determined to be in-house processed or outsourced. When a job is outsourced, then the firm should pay an outsourcing cost additionally. We want to minimize the sum of the outsourcing costs and the total completion times of finished jobs. In this paper, some solution properties are characterized, and then some heuristic algorithms and a branch-and-bound solution algorithm are derived. This paper evaluates finally the performance of the proposed algorithms during the numerical tests.
The Adoption of Green Supply-chain Management Techniques and Their Effects on Organizational Performance in Korean Manufacturing Firms
Choe, Jong-Min ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 11~28
DOI : 10.7737/KMSR.2016.33.2.011
This study empirically investigated the relationships among external factors (i.e., the imitation, compulsory and normative pressures, and governmental regulation), proactive environmental strategy, the adoption of green-supply chain management (GSCM) techniques, green corporation with suppliers, environmental performance, and organizational performance. To empirically demonstrate the relationships, 78 sample firms' data were collected from Korean manufacturing firms that are listed on the Korean stock market. The results of this study showed that a proactive environmental strategy mainly and positively influences the adoption of GSCM, and the introduction of a proactive environmental strategy is significantly and positively affected by governmental regulation. It was also found that governmental regulation has an indirect impact on the adoption of GSCM through the introduction of a proactive environmental strategy. Thus, it is asserted that governmental regulation, in Korean manufacturing firms, is the unique external factor on the adoption of a proactive environmental strategy, which facilitates the use of GSCM techniques. According to the results, it was observed that GSCM positively influences the levels of green corporation, and both GSCM and green corporation have positive effects on the improvement of environmental performance. Hence, it is suggested that the implementation of GSCM inevitably brings high degrees of green collaboration with suppliers. Finally, it was found that environmental performance has a significant and positive impact on the organizational performance of a firm. This result implies that high degrees of environmental performance, which bring both the efficient usage of materials and energy and the elimination of wastes, can lead to the increase of organizational performance.
Study on the Role of Media in the Building of Interpersonal Trust
Oh, Jinwouk ; Cho, Namjae ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 29~47
DOI : 10.7737/KMSR.2016.33.2.029
Trust is formed from the day-to-day and persistent interaction relationship. The trust demands more and more at the age of uncertainty. Human beings are using media interaction. The area of communication with media is extended to virtual space. The purpose of this study is to qualitatively explain trust building process in virtual team by media using. In the pursuit of this purpose, we executed in-depth interview with the person who have experience communicating by media with a man of a complete stranger. They experienced the trust building process. Interview data were analyzed by a Structured Coding Techniques. The derived seven categories were reconstructed in consideration of the cause-and-effect relationship and the flow of events. We have discovered a new trust model that was the result from communication by a media using. The model presented is very useful to Individuals who need a new trust building relationship with stranger or virtual team member.
The Effects of Reciprocity and Trust Perception on the Relationship between Corporate Sustainable Management Activities and Corporate Performance
Park, Sang-June ; Byun, Ji-Yeon ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 49~64
DOI : 10.7737/KMSR.2016.33.2.049
A literature has demonstrated that the three dimensions of corporate sustainable management activities (economic, social, and environmental responsibility) affect corporate performance via reciprocity and trust (expertize-based trust and benevolence-based trust) perception. However, previous studies show some inconsistent results for the effects of reciprocity and trust perception on the relationship between corporate sustainable management activities and corporate performance. Thus, this paper re-analyzes the relationships between the constructs based on various industries and customers. The empirical results can be summarized as follows. Expertise-based trust is affected not by social responsibility and environmental responsibility but economic responsibility.
A Study on the Intention of the Use of Mobile Payment Services: Application of the Technology Acceptance Model
Lee, Soo Yeon ; Park, Jowon ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 65~74
DOI : 10.7737/KMSR.2016.33.2.065
The present study applies the TAM (Technology Acceptance Model) to investigate the factors that affect the intention to use the mobile payment services. For this purpose five potential variables (perceived usefulness, perceived convenience, ubiquity, innovativeness, and safety risk) that are expected to affect the intention to use the mobile payment services were selected. An online survey was administered, and 339 questionnaires were analyzed. Structure Equation Model (SEM) Analysis revealed that TAM variables (perceived usefulness and perceived convenience) partially influenced the attitude. The perceived usefulness predicted the attitude while perceived convenience did not predict the attitude toward the mobile payment service. Personal characteristics variable (innovativeness) and mobile nature variables (ubiquity, and security risk) were identified as the predictors of the attitude toward the mobile payment service. While innovativeness and ubiquity affected the attitude positively, security risk affected the attitude negatively. Finally, the analysis substantiated the influence of attitude toward the mobile payment services on the intention to use the services. On the basis of findings, managerial implications and suggestions for further studies were discussed.
Mixed Integer Linear Programming Model to Determine the Optimal Levels of Technical Attributes in QFD under Multi-Segment Market
Yang, Jae Young ; Yoo, Jaewook ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 75~87
DOI : 10.7737/KMSR.2016.33.2.075
Quality function deployment (QFD) is a widely adopted customer-oriented product development methodology by analyzing customer requirements. It is a main activity in QFD planning process to determine the optimal values of the technical attributes (TAs) so as to achieve the customer requirements (CRs) from the House of Quality (HoQ). In most of the previous research, all the TAs in QFD are assumed to have either continuous or discrete values. In the real world applications, the continuous TAs and the discrete TAs are often mixed in QFD. In this paper, a mixed integer linear programming model is formulated to obtain the optimal values for the continuous TAs and the discrete TAs in QFD planning as well as Branch and Bound (B and B) algorithm is proposed as the solution approach. Finally, the proposed model and solution approach are illustrated with an office chair under multi-segment market, and the sensitivity analysis is performed to study how the proposed model and its solutions respond to the variation for the two elements which are budget and CRs' weights.
A Study on the Trust Tansference and Continuance Intention to Purchase in Offline-Online Multi-Channel Shopping Contexts : Emphasis on the Moderating Effects of Neuroticism
Jeon, Hyeon Gyu ; Lee, Kun Chang ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 89~115
DOI : 10.7737/KMSR.2016.33.2.089
Recent trends in online commerce shows that multi-channels including offline and online become prevailing as a standard type of channel. However, literature survey revealed that there exist few studies about how an individual negative emotion such as neuroticism affects trust transfer between channels, and usage continuance intention. To fill the research void like this, this study proposes an research model where trust transfer between offline and online channels is included, and neuroticism is also adopted as a moderating variable between trust transfer, satisfaction, and usage continuance intention. Empirical results with valid 406 questionnaires revealed that neuroticism has a negative influence on online commerce users' perceived usage continuance intention.
An Interdisciplinary Case Study on the Phase-Shifting Behavior of Financial Markets
Ryu, Doojin ; Ju, Kangjin ; Kim, Hyun Na ; Yang, Heejin ;
Korean Management Science Review, volume 33, issue 2, 2016, Pages 117~131
DOI : 10.7737/KMSR.2016.33.2.117
This study introduces the concepts on the phase-shifting phenomenon of financial markets, which was firstly used in econophysics area and explains how the phase-shifting behavior is studied in the fields of business management and finance. Specifically, we explain how the phases of financial markets are extremely changed under some external conditions, do an extensive literature review, and carry out case studies focusing on the 3 major financial crisis events including the 87 October crash, 97 Asian financial crisis, and 2007 global financial crisis. We also empirically examine the phase-shifting behavior of the Korean ELW products that has a similar payoff structure to the KOSPI200 options.