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İzmir Ekonomi Üniversitesi
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Salı ~ Mart 03, 2008 by webmaster Posted in İşletme Bölümü Aktiviteleri
İŞLETME BÖLÜMÜ FAALİYET RAPORLARI IEU İşletme Bölümü Faaliyet Raporu 2006-2007.pdf İŞLETME BÖLÜMÜ AKADEMİK ÇALIŞMALAR A NEW FRAMEWORK FOR SERVICE SUPPLY CHAINS Despite the extensive amount of academic work devoted to supply chain management, today the structure of service supply chains still remains unexplored. The aim of this paper is to verify and explain this gap with regard to the unique nature of the services industry and the applicability of existing supply chain management literature to service businesses. This paper develops a new model for service supply chains and applies it to the healthcare industry. The results of this study are relevant both to practitioners in the services industry and to researchers conducting further studies in the field. Published in Service Industries Journal, Vo. 27 No. 2. 105-124. INTEGRATING TO THE GLOBAL SUPPLY CHAIN: BEING A BRANDED SUPPLIER Increasing globalization and tendency of the boundaries to disappear lead to rapidly increasing competition in the international markets. The most effective way to differ from competition is to create a strong and valuable brand. In addition, the problem of integration to international distribution chain in which the company operates is extremely challenging to many exporters. Even when a firm finds a way to access to the international distribution chain, it usually faces the problem of continuity: Due to lack of a strong brand, it becomes impossible for the firm to stay as a supplier in the long period. However, branding for the end-consumer requires a high level of investment, which is generally not affordable for Turkish exporters. This paper proposes that rather than focusing on the end-consumer, Turkish exporters should emphasize on directing branding and related marketing efforts to their retailers and becoming “branded suppliers”. The problems regarding this issue and proposed solutions are also proposed. Published in Proceedings of International Logistics And Supply Chain Congress, November 2005, İstanbul, Turkey. EFFECTIVENESS AND EFFICIENCY OF DESIGN PROCESSES IN TURKISH SMEs In today’s world, it is obvious that the only way to stay in business is to possess a strong competitive advantage. Although cost leadership and differentiation are considered as the two sources to competitive advantage, achieving cost leadership in many sectors has become impossible due to globalization and technological advancements. Therefore, differentiation is the only strategy for many firms to gain this advantage today. To differentiate products and services from the competition, “design” should be of focal importance. In this context, design relates not only to the creation of a product or service, but also to the systems that will be implemented through all processes. Design process is vitally important for SMEs (Small and Medium-Sized Enterprises) as well as larger firms. In addition, it may be suggested that SMEs can more effectively engage in design process as they are more flexible and because they have closer relations with the end-users, the information related to emerging needs are more accessible to them. However, in practice, due to lack of financial resources, expertise and sufficient knowledge, SMEs cannot focus on design process. In this paper, approaches of Turkish SMEs to the design related issues and the problems they face are examined in a sample of 119 Turkish SMEs, using both qualitative and quantitative research along with a number of proposed solutions. Published in From Small Firms to Multinationals: Industrial, Entrepreneurial, Managerial, Financial, Fiscal, Transaction Cost and Consumer Perspectives in the Era of Globalisation, Ioannis-Dionysios Salavrakos (ed)., 181-196. Athens Institute for Education and Research: Athens. THE IMPACT OF PACKAGE PREFERENCE ON BRAND IMAGE This paper examines the impact of package preference on perceptions of the brand image. It also investigates how package can be used as an extrinsic cue by consumers in evaluating the product performance, and the impact of packaging on brand value. An empirical study using olive oil packages was conducted to find out the effects of package preference on perceptions of product performance, product quality, product value and communication effectiveness, which in combination constitutes a major part of the brand image. Published in Proceedings of 1st Product and Service Design Symposium and Exhibition on Agricultural Industries, April 2005, İzmir, Turkey. CHALLENGES AND OPPORTUNITIES OF DEVELOPING WINE TOURISM IN A SMALL COMMUNITY IN TURKEY This paper offers an analysis of practices in wine tourism and its implementation to Turkey. Wine tourism is a rapidly developing in Turkey parallel to the development of the sector around the world. In this paper, Sirince is selected as a case and an analysis of the situation in the village with regard to wine tourism is presented. The analysis includes a number of aspects along with the implemented marketing strategies, such as design of bottling, packaging and labeling. In addition, the effects of wine tourism on improvement of social and economic situation of Sirince are also examined. Published in Proceedings of 1st Product and Service Design Symposium and Exhibition on Agricultural Industries, April 2005, İzmir, Turkey. THE FORCES BEHIND THE RESTLESS DESIRE FOR NEW IN FASHION CONSUMPTION This study analyzes the endless cycle of desire in the context of fashion in mass consumption setting. It contributes to previous scholarly discussions by outlining the different forces behind the restless desire for new in fashion consumption, taking into account the social and institutional forces influencing desires. Interpretive methods were used for this research performed in Milan, Italy, conducting semi-structured interviews with middle-class working women as fashion consumers and some fashion professionals. Desiring new fashion objects bring color, motivation, and new excitements in life with the hope of reaching idealized images of self, in the search of new adventures, while fashion institutions fuel this desire with new collections every season. Boredom can also be at the basis of fashion consumption as well as filling an emotional gap through acquiring material objects. This passionate desire for new is felt by all kind of informants; however, how often they acquire the new changes among different consumer groupings such as more fashion oriented and more fashion skeptical consumers. Finally, the new fashion objects acquired are often not radically different from the ones consumers already own, mostly with the fear of making a fashion statement too far out from the socially accepted norms. (2007), “The Forces behind the Restless Desire for New in Fashion Consumption,” Finanza Marketing e Produzione, June (2), 45-60. CONSUMER EXPERIENCES WITH FASHION MAGAZINE IMAGES This study investigates consumers’ experiences with fashion magazines, exploring their reactions, feelings, and thoughts about the images presented and analyzing how these images can be influential on their consumption desires. With this analysis, the study contributes to the current scholarly debate on the role of consumers in the market place as active or passive agents of the system. Qualitative methods were used for data collection and analysis. Semi-structured interviews were conducted with working women in Italy, in mass consumption setting. The findings suggest that while fashion magazines can be inspirational for consumers’ idealized images of self in life, and they can be instructional for constructing their styles, consumers also experience some tensions, coping with the images presented in these magazines. Since these images are not representational of daily life, they often show reactions on a negative tone; on the other hand, paradoxically, they also try to fit in. (2007), “Consumer Experiences with Fashion Magazine Images,” Review of Social, Economic & Business Studies, Vol 7/8, 45-56. THE INTERPLAY OF INSTITUTIONAL FORCES AND CONSUMER DESIRES IN THE MOULDING OF FASHION This paper represents an attempt to throw an additional light on the particular systemic nature of the fashion process. We would like to apply what we, in lack of better terms, could call a Baudrillard-inspired institutional perspective on the fashion system as an interagency between industrial and consumer agents. Our results indicate, that seen from the individual agent’s perspective, the fashion system does indeed have the character of a code that lives a life seemingly (but of course not really) independent of the individual agents in the fashion system. (2007), “The Interplay of Institutional Forces and Consumer Desires in the Moulding of Fashion,” European Association of Consumer Research, Special Session, July. DOES EDUCATION IMPROVE ETHICAL ATTITUDES? Some advocate that ethics can and should be taught in the classroom; while others view that ethics cannot be taught at this stage, and a person is either ethical or not. In today’s business environment with the growth of accounting, the importance of accounting ethics has increased as a result of recent scandals such as Enron and Arthur Andersen. Such scandals have focused attention on ethical attitudes and how they can be improved. In this context, this study focuses on ethical attitudes and whether they are teachable or not. Within this framework, these theoretical concepts are supported by empirical research into whether ethical attitudes can be acquired through education. Using a student sample of two Turkish universities, we compared the differences between the mean of the ethical attitudes of students who took the required accounting courses with those who only took the basic level, or no accounting course. After that, the correlation between educational background and ethical attitudes was tested. Overall we found that there are no significant differences in the mean of the attitudes and no significant relation between education and ethical attitudes. Published in Proceedings of 16th Annual World Business Congress, July 2007, Maastricht, the Netherlands A RELIABILITY-DRIVEN PREVENTIVE MAINTENANCE SCHEDULING PROBLEM In this study, we investigate the Preventive Maintenance (PM) schedules for a system subject to failure. Our concern is to find the optimal intervals between the PM activities. We assume that the operating cost of the system linearly increases dependent on the cumulative failure rate of the system since the last PM. The expected costs of repair and PM are different from one another. The durations of these activities are also different. We assume that the duration of repair is dependent on the cumulative failure rate. Whenever the system reliability reaches the reliability threshold R, an imperfect PM is performed, which leads to a gradual decrease in maintenance intervals. We formulate the problem of finding the maintenance intervals. We provide the optimal solution based on analysis of the problem using the reliability threshold value. Numerical experiment results are provided to observe the effect of parameter changes on the model. A DECISION SUPPORT SYSTEM FOR THE CELL FORMATION PROBLEM This paper describes a study involving the development of a Decision Support System (DSS) for the part/machine Cell Formation (CF) problem of cellular manufacturing, to be used as a research-oriented as well as operational cell design tool. An overview of the CF problem is presented, followed by the description of efficiency measures and construction algorithms selected from the literature for creation and evaluation of alternative solutions. New modified efficiency measures and a Composite Measure (CM) are proposed and employed in the DSS for more comprehensive comparisons. Improvement heuristics are developed for modifying and enhancing the solutions formed by the construction algorithms. DSS users are enabled to switch among solutions or algorithms for determining the best cell configuration for their particular needs. A LAGRANGEAN RELAXATION APPROACH FOR THE MIXED-MODEL FLOW LINE SEQUENCING PROBLEM In this study, a mixed-model flow line sequencing problem is considered. A mixed-model flow line is a special case of production line where products are transported on a conveyor belt, and different models of the same product are intermixed on the same line. We have focused on product-fixed, rate-synchronous lines with variable launching. Our objective function is minimizing makespan. A heuristic algorithm based on Lagrangean relaxation is developed for the problem, and tested in terms of solution quality and computational efficiency. SPREAD TIME CONSIDERATIONS IN OPERATIONAL FIXED JOB SCHEDULING In this study, we consider the operational fixed job scheduling problem on identical parallel machines. We assume that the jobs have fixed ready times and deadlines, and spread time constraints are imposed on machines. Our objective is to select a set of jobs for processing so as to maximise the total weight. We show that the problem is strongly NP-hard, and we investigate several special polynomially solvable cases. We propose a branch and bound algorithm that employs size reduction mechanisms, dominance conditions, and powerful lower and upper bounds. The computational results reveal that the branch and bound algorithm returns optimal solutions for problem instances with up to 100 jobs in reasonable solution times. PORT MANAGEMENT AND BERTH ALLOCATION PROBLEM While the importance of oversea commerce is growing in the world trade, the ports are considered as key elements. In this respect, management of ports becomes a major competitive factor among the world countries. Although there are many different strategies implemented by different countries on port management, the major aim of all is to increase the efficiency and the volume of operation. Berth allocation problem (BAP) is one of the specific problems in port management. Due to being first problem to solve in ports, it influences all the other activities related. The efficiency of berth allocation problem can significantly reduce the waiting time and the operation time in ports. Despite the existence of many studies on BAP for different ports in the world literature, the number of studies done and implemented in our ports are very rare, almost none. In this paper, the studies on BAP in the world literature are examined and proposals for our country are brought into consideration. OPTIMAL BERTH ALLOCATION WITH VARIABLE JOB SCHEDULING In this study, the problem of Optimal Berth Allocation, which involves the assignment of ships arriving at the port to the appropriate berths within their time windows, while maximizing the total number of ships served is discussed. The problem is treated as a Variable Job Scheduling Problem and an integer programming model is developed. To contribute to the practical use of the study, the eligibility constraint is taken into consideration. Proving that the model is NP-hard, genetic algorithm is used to approximate the optimal solution. The formulated model is implemented and a dataset is generated. Using this dataset an experiment is conducted by changing the parameters of the genetic algorithm model. The initial run results of the tests are provided. SIMULTANEOUS ALLOCATION OF CONTINOUS BERTHS AND MOBILE CRANES WITH VARIABLE HANDLING TIMES Port management is a strategic issue for the developing economies. Its activities directly influence the trade volume of the region where the port is located, increase the investment in the region, and contribute to the overall economic development. There are many activities and decisions to be arranged and managed in a port. In this paper, one of the most important port management activities, Berth Allocation Problem, is studied in detail, to reduce congestion in the port. The contribution of the study is based on simultaneous allocation of continuous berths and mobile cranes. The approach is applied to the Port of Izmir and promising preliminary results of our study are presented. STRONG VERSUS WEAK CULTURE: DOES IT MATTER ON ACCOUNTING PRACTICES? The overall aim of the research presented is to reveal the effect of culture on accounting practices. International Financial Reporting Standards (IFRSs), International Accounting Standards (IASs) and Turkish Accounting Standards (TAS) carried out a unique accounting perspective within the organizations. However, the principles-based form of standards allows making judgments in some accounting practices. So, dissimilar cultures might have substantial effects on judgment required reporting practices as well as on accounting process. On the basis of Hoftstede’s cultural values and Gray’s culture, societal values and accounting subculture model, the study focused on the cultural elements and accounting practices. A conceptual model is suggested where the financial data is processed in an accounting subculture and transferred into financial statements. A sample of traded companies in Turkey was selected. The data are subjected to Mann Whitney U to compare the mean organizational subculture differences on accounting practices. Published in Yeditepe International Research Conference on Business Strategies Proceedings, June 13 - 15, 2008
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