Jörg Nienhaus

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The bullwhip effect is one of the main reasons for inefficiencies in supply chains. Since Forrester discovered around 45 years ago that variations of demand (and based on that of orders and stocks) increase up the supply chain from customer to supplier [1], researchers look for reasons and try to find countermeasures. Nevertheless the role that human(More)
The current trend of extending operations management beyond the company's wall focuses on the integration of suppliers and consumers into a single information network. The objective is to optimize costs and opportunities for everyone involved. However, small-sized enterprises can rarely carry the high acquisition and introduction costs of hardware and(More)
— The project OPESS, financed by the Swiss Virtual Campus program, aims at achieving an integrated approach to Web Based Training in the field of Operations Management. Special consideration is given to questions of managerial and technical concepts and to related software solutions that have gained great significance worldwide as Enterprise Resource(More)
Balancing loss is the quantification of the lack of balance in a production line, defined as the percentage of time not used for productive purposes with the total time invested in making a product. The importance of this measure lies in its ability to assess perhaps the most problematic of all the detailed design decisions in product layout, namely that of(More)
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