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运输问题的悖论及其数学、经济解释 被引量:6
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作者 吴其苗 《绍兴文理学院学报(自然科学版)》 2004年第7期45-48,52,共5页
针对运输问题的悖论,给出了数学解释,并对运输问题的悖论作出了经济解释.
关键词 对偶问题 规模效应 悖论 约束运输问题
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青海省人民政府办公厅关于表彰2006年全省工业经济运行先进单位和节能管理先进企业的通报
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《青海政报》 2007年第1期48-48,共1页
关键词 经济运行 电力电量平衡 电力公司 水电开发 华电 青海油田 特钢集团 铝业有限公司 西部矿业 运输紧
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China introduces the 24-hour rule
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作者 Bergami Roberto 《Chinese Business Review》 2009年第3期1-7,共7页
Recently, international movement measures that may be causing tension between the of cargo had been the subject of increasing border control needs for security and the needs for trade facilitations. On the one hand cu... Recently, international movement measures that may be causing tension between the of cargo had been the subject of increasing border control needs for security and the needs for trade facilitations. On the one hand customs authorities are charged with the responsibility for policing a country's borders, and consequently they need to have in place measures to ensure that only legitimate trade takes place and that this trade does not present security concerns. On the other hand we have the requirements of traders, who benefit from an environment of trade facilitation with speedy and efficient movement of cargo across international borders, with minimal bureaucratic intervention. This paper focuses on and provides early discussion and comments on the possible ramifications of the introduction of the 24-hour rule in China, effective for all exports and imports of sea freight container traffic since January 1, 2009. The new rules will have significant impact on the logistics flows of exporters and importers alike. Specifically, the reporting requirements timelines are likely to result in increased costs in cargo processing at wharves that traders will have to bear; place added pressure on storage facilities at wharves, or at container depots; and may additionally increase the amount of inventory buffer because of the timing of the data reporting requirements. The paper concludes that security needs have prevailed over trade facilitation considerations and that traders should urgently implement a review of existing practices to ensure they comply with the China Customs requirements, whilst simultaneously minimizing cost increases. 展开更多
关键词 24-hour rule cargo security ANTI-TERRORISM international regulations China Customs
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