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Purpose -The purpose of this paper is to develop research frameworks for two types of green supply chains based on Fisher's seminal work. In spite of Fisher's contribution to the literature, his study has rarely been extended into green supply chain contexts, except in a few conceptual arguments. The current study explores how Fisher's perspective of efficient versus responsive supply chains can be a stepping stone to the development of two green supply chains: eco-efficient and eco-responsive supply chains. Design/methodology/approach -Toward the above end, a case methodology is employed (Yin). Two Korean global companies, Pohang Iron and Steel Company (POSCO) and Samsung Electronics (SEC), are selected to explore eco-efficient and eco-responsive supply chains. POSCO (steel products) is selected to enable the understanding of how efficient and eco-efficient supply chains work. SEC (mobile phone products) is chosen to understand responsive and eco-responsive supply chains. Findings -The findings suggest that POSCO tends to stress process technology innovation as a means to address green pressures, while SEC accentuates the green product strategy; while an eco-efficient supply chain focuses on keeping to an environmental standard across the supply chains, an eco-responsive supply chain centers on the collaboration of suppliers and distributors in greening the supply chain; and SEC takes more initiatives to educate and encourage consumers to engage in recycling activities than POSCO does. Originality/value -Few studies have examined the green supply chain using the perspective of Fisher's framework (efficient vs responsive supply chains). By addressing the timely topic, this study fills a research gap in green supply chain literature.

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Purpose -In this study, it is classified the service quality dimension of mobile shopping app using Kano model. In addition, it is evaluated quality factors suitable for strategic management from the viewpoint of service provider through mobile application through binary dimension analysis. Research design, data, and methodology -In this study, seven quality dimensions such as information quality, reliability, immediacy, convenience, design, security and customer service were derived through related studies to make binary shopping quality app quality measurement. 37 sub-variables were set by each quality dimensions. Each questionnaire was composed of positive and negative items like Kano's proposed method, and the satisfaction coefficient suggested by Timko(1993) was examined to understand the influence of each factors on customer satisfaction. Results -As a result of research, shopping app users perceived unity quality factor in most items of service quality dimension such as information quality, reliability, immediacy, convenience and customer service. In addition, the satisfaction coefficient showed a good impression, quick response of the result, fast delivery, and the unsatisfactory coefficient showed more interest in personal information such as payment method safety, and transaction security. As a result of research, shopping app users perceived unity quality factor in most items of service quality dimension such as information quality, reliability, immediacy, convenience and customer service. And, in information quality, the information overload was classified as an apathetic quality component, while the related information provision belonged to an attractive quality component. In reliability quality, customized service provision was classified as an attractive quality component. In instant connectivity, the quality of the connection during transport was classified as an attractive quality component. In convenience quality, access to product information was classified as a one-way quality component. All components of designs quality were classified as attractive quality components, and in security quality, all of their components were all classified as one quality component. Lastly, in customer service, they components were all classified as a single quality component. In addition, the satisfaction coefficient showed a good impression, quick response of the result, fast delivery, and the unsatisfactory coefficient showed more interest in personal information such as payment method safety, and transaction security. Conclusion -In the online service environment, which is difficult to differentiate in terms of upward upgrading only by technological implementation and function, the results of this study can be suggested as a differentiating factor for major channels with customers rather than improve the brand image.