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The objective of this paper is twofold. First, against the background of an existing empirical literature on the duration of trade which has found that international trade is often of strikingly short duration, we aim to establish whether or not EU imports from the rest of the world also are short-lived. Second, since there is at this point no clear commonly accepted theoretical explanation for th

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This paper describes an experiment in which a city district ward tries to improve communication with residents of a densely populated, multicultural inner city area. The experiment is performed in a situation where the labour market is fallilng seriouisly and where the dependency on social aid is large. It is an area with serious problems. Many of its residents feel alienated from sociey and negle

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Industrial biotechnology has been defined as the use and application of biotechnology for the sustainable processing and production of chemicals, materials and fuels. It makes use of biocatalysts such as microbial communities, whole-cell microorganisms or purified enzymes. Although biocatalysts are considered advantageous, since they operate under mild conditions regarding temperature and pH and e

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Managing material flows along a supply chain is a complex matter involving a great many interfaces both between activities and between actors. Integration of material flows may smooth the interfaces and thus also the potential errors and delays in the material flows. The potential to obtain such integration is facilitated by recent developments in identification technologies, particularly RFID tec

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In this paper, we study the joint design of optimal linear encoders and decoders for filtering and transmission of a signal over an additive Gaussian noise channel subject to a real-time constraint. The objective is to minimize the variance of the estimation error at the receiving end. The design problem is nonconvex, but it is shown that a global optimum can be found by solving a related two-stag