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This paper presents reconsideration of value creation in production from various aspects of value viewpoints in several disciplines such as production engineering, social sciences, and human sciences. The focal point of investigations is value co-creation by the provision of products and services in and for society. In the past, some methods of social sciences and others proved to be useful in making production more efficient. At present, such methods must help to realise value creation. In fact, production must become more effective in response to human needs in social, economic, and environmental dimensions. Along with the theoretical apparatus, this paper presents some case studies indicating the importance of value creation in production, followed by future perspectives of value cocreation in production.

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The breadth of customer choice of products and services has increased dramatically. Consequently, both manufacturing and services have adopted elaborate variety management to satisfy various customer needs while maintaining business profitability. Our study presents a formulation of variety selection problems considering customer preferences by the introduction of preference order from economic theory. Using Frequent Shopper Program data of a large shopping mall in Japan, our proposed framework is applied to the optimization of tenant-mix problems as a case study of service variety selection. Results demonstrate how an optimized variety of shops can satisfy various customer preferences at a reasonable profit level. Optimization, Decision making, Service engineering 2. Formulating product/service variety selection as an optimization problem 2.1. Basic framework This study examines the selection of product/service variety selection by which a producer/service provider selects a Contents lists available at SciVerse ScienceDirect

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