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Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Terms of use: Documents in AbstractCore acquisition is essential for the success of remanufacturing business. To describe the current status of the quantitative research in Core Acquisition Management and to indicate possible future research directions, a literature review is conducted in this paper about the quantitative modeling in Core Acquisition Management research area. The activities included in Core Acquisition Management are categorized into topics such as acquisition control, forecasting return, return strategies, quality classification and reverse channel design. While most of the studies focus on acquisition control, studies on return strategies and return forecast are relatively limited. Furthermore, this paper analyzes the research papers according to the key assumptions such as, hybrid/non-hybrid remanufacturing systems, acquisition functions, quality classification methods and perfect/imperfect substitutions. In conclusion, studies based on the assumptions of non-hybrid remanufacturing systems and imperfect substitution should gain more attentions, since these situations frequently occur in practice but are less investigated in the existing literature. In addition, empirical validation of the various forms of the acquisition function (relations between acquisition incentives and acquisition volume) should be important for further investigations.

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Acquisition of cores is important for the success of remanufacturing business, but evaluating the value of cores is difficult due to many uncertain issues in the remanufacturing system. In this paper, we examine the value of cores using the real option valuation (ROV) approach, which well captures the production flexibility and represents different operations options in remanufacturing. First, in a system where the demand of remanufactured products is low, we focus on the uncertainty of price. We compare the cases where disposing cores occurs only at the expiration time and before that. The model also identifies under which circumstances disposing core early brings in more benefit. Furthermore, we study a remanufacturing system where demand and return are both uncertain. In this case, a spread option is used for evaluating the marginal value of obtaining additional cores. This approach also brings the advantage of linking the correlation between demand and return, which in fact is often exhibited in remanufacturing. The numerical experiments indicate that this correlation has an impact on collecting policies. This study illustrates the possibility of using ROV for core pricing modelling, and the study results also provide some managerial insights in managing returned cores.

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Due to COVID-19, numerous offline events could not be hold as scheduled due to the restrictions of the quarantine of the pandemic, and this was also the case for the fashion industry. The 2022 Shanghai Fashion Week therefore opted for a completely online format, an unprecedented form innovation that is new to the industry. From augmented reality shows to meta-verse spaces, the fashion show uses digital technologies to express newest fashion to audiences. Although previous research has studied the audience reception of fashion weeks in China, few are tailored toward purely online fashion weeks. This research analyzes the attitudes of Chinese audiences towards online fashion weeks in the post-pandemic context. The research primarily uses surveys and interviews to obtain the necessary information, with secondary data from 2019 to 2022 collected over the internet. The study finds that on one hand, with its ease of access and with the influence of social media, online fashion week can have a larger exposure than offline. On the other hand, online shows are not a comprehensive presentation of clothes. Because viewers are not able to feel the clothes firsthand, the sales will be negatively affected. Therefore, the combination of "online + offline" fashion shows, having both the viral influence of online and the tangible feel of offline, may be the best of both worlds in the post-epidemic era.

In order to reveal the release characteristics of different tobacco materials, the characteristics of tobacco materials and the release characteristics of smoke were analyzed. This paper studied 17 kinds of tobacco materials, the thermogravimetric analyzer was used to study the thermogravimetric characteristics of the tobacco materials, meanwhile the gas chromatography was used to analysis original aroma composition characteristics of the raw tobacco material, the smoke released from the pyrolysis of tobacco in a fixed bed reactor was also studied. The results showed: ① The elemental composition of different kinds of tobacco materials was similar, but there were significant differences in the volatile content (aroma components), among which the aroma components of tobacco stem were the highest. ②Different categories of tobacco raw materials have different properties of the aroma components. Among them, the nicotine content of roasted tobacco was higher, spice tobacco and tobacco stems mainly contain acid and ketone aroma components. However, burley tobacco and cigar tobacco are distinguished from other types of tobacco by the presence of aromatic substances such as new phytodiene.③ Through the analysis of thermal release characteristics of aroma components of different tobacco raw materials, it was found that the yield of aroma components was positively correlated with the volatile content of tobacco materials. The results of this study clarified the effects of different tobacco raw materials on the release characteristics of aroma components and provided theoretical guidance for the subsequent compound utilization of tobacco.

In light of a circular economy, to encourage core returns, the remanufacturer charges a deposit and refund it to the customer based on quality inspection of cores. Generally, two types of classification errors exist and interact with each other during the inspection process: either low-quality cores are sorted as remanufacturable, or high-quality cores are sorted as non-remanufacturable. The remanufacturer needs to choose refund policies and determine a reasonable deposit value, considering customers' potential responses. This paper firstly develops analytical solutions for these issues within a game theory framework. The effect of inspection information transparency is evaluated by comparing two settings: the information of inspection errors is available to customers or not. The study results show the advantage of inspection information transparency from the remanufacturer's perspective. The analysis indicates the importance of avoiding overestimating customers' payoff of products and the significance of inspection accuracy. The study also highlights that the salvage value of different cores significantly influences the remanufacturer's profits, and the improvement of inspection accuracy does not necessarily reduce the customer's return of low-quality cores.