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基于Newsboy及多个竞争网商的订货模型建构
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作者 刘彩云 《吉林工程技术师范学院学报》 2013年第9期87-89,共3页
以需求受价格和广告投入影响的Newsboy问题为研究对象,结合网络环境,建立了不确定环境下多个竞争网商进行最优定价、广告投入和订货量的联合确定模型,指出该模型存在唯一的纳什均衡解。最后给出案例进行数值解法演示,以模型建构和应用... 以需求受价格和广告投入影响的Newsboy问题为研究对象,结合网络环境,建立了不确定环境下多个竞争网商进行最优定价、广告投入和订货量的联合确定模型,指出该模型存在唯一的纳什均衡解。最后给出案例进行数值解法演示,以模型建构和应用来优化网商订货策略,帮助网商订货、定价、广告和库存管理决策。 展开更多
关键词 NEWSBOY模型 竞争网商 订货模型
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To Understand Why Airships Lost the Sky to Airplanes Take a Look at the Network on the Ground
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作者 Helmut E. Braun 《History Research》 2013年第1期23-30,共8页
Zeppelins and airplanes went into a commercial competition during the 1920s and 1930s. The Zeppelin was a very costly and high-scale technology which operated with a number of devices less than fingers a hand has. Air... Zeppelins and airplanes went into a commercial competition during the 1920s and 1930s. The Zeppelin was a very costly and high-scale technology which operated with a number of devices less than fingers a hand has. Airplanes, however, were cheap both in investment and operation and improved their cost-effectiveness rapidly during the times. Therefore, it was clear from an economic point of view to develop a fast growing net of commercial airports serving an even fast growing number of passengers. This was self-energizing. Zeppelins, however, focused on one, later two point-to-point services only, justified by a lack of capital and permanent economic losses. 展开更多
关键词 airplanes innovation diffusion network Zeppelin
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Unequal Development and Territorial Competitiveness of Network Economy
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作者 郭健全 汤兵勇 《Journal of Donghua University(English Edition)》 EI CAS 2004年第1期89-95,共7页
The territorial consideration is enclosed in the development of network economy and e-Business, and there is no departure of the cultivation of e-Business from the establishment of territorial competitiveness. The tra... The territorial consideration is enclosed in the development of network economy and e-Business, and there is no departure of the cultivation of e-Business from the establishment of territorial competitiveness. The traditional theory of the territorial competitiveness has come across a serious impact from the Internet. So the development of Intemet infrastructures and institutional environment would be something new to the theory of territorial competitiveness in the Internet era. 展开更多
关键词 network economy territorial competitiveness internet infrastructures internet institutional environment
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