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电子商务发展对产业结构优化升级的影响 被引量:7
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作者 钱贵霞 苏日娜 《内蒙古大学学报(哲学社会科学版)》 2022年第2期96-107,共12页
在新一轮技术创新和产业变革的驱动下,我国电子商务蓬勃发展,已成为促进经济增长和产业结构调整的重要动力。利用中介效应模型,从消费升级角度研究电子商务发展对产业结构优化升级的影响,结果表明:电子商务发展能够明显促进产业结构优... 在新一轮技术创新和产业变革的驱动下,我国电子商务蓬勃发展,已成为促进经济增长和产业结构调整的重要动力。利用中介效应模型,从消费升级角度研究电子商务发展对产业结构优化升级的影响,结果表明:电子商务发展能够明显促进产业结构优化升级,消费总量的提升和消费结构的改善均能发挥显著中介作用;电子商务发展在加快产业结构整体优化升级的同时,还有助于农业、制造业和服务业的变革,推动各产业升级发展。为此提出了加快电子商务发展、推动产业结构优化升级的相关建议。电子商务发展仅对东部地区的产业结构合理化发挥积极作用,这一效应在中部和西部地区并未体现,电子商务发展有利于东部、中部和西部产业结构向高级化跃升。 展开更多
关键词 电子商务发展 产业结构优化升级 消费升级 中介效应
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“托市”政策对中国大豆市场的影响——基于价格传导和波动视角 被引量:2
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作者 钱贵霞 李鹏飞 《内蒙古大学学报(哲学社会科学版)》 2020年第1期84-91,共8页
国内大豆需求较大,政府为鼓励大豆生产,2008年起陆续实行临储和目标价格等一系列干预大豆市场价格的"托市"政策。这些政策短期可以稳定市场,但长期却易使大豆价格偏离市场,增加"去库存"压力,影响中国大豆市场安全... 国内大豆需求较大,政府为鼓励大豆生产,2008年起陆续实行临储和目标价格等一系列干预大豆市场价格的"托市"政策。这些政策短期可以稳定市场,但长期却易使大豆价格偏离市场,增加"去库存"压力,影响中国大豆市场安全。运用非对称误差修正模型和多变量条件异方差等模型,从大豆价格传导和波动视角,对"托市"政策实行前后进行对比分析的结果显示:实行市场"托市"政策后两种价格的短期修正能力明显下降,价格传导的非对称性加强,价格波动加剧,不利于大豆市场安全。因此,建议减少政策对大豆市场价格的干预;加大资金技术投入,提高大豆产出水平;促进规模化生产,延长产业链。 展开更多
关键词 “托市”政策 国内大豆价格 国际大豆价格 价格传导 价格波动
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Revenue Sharing in Dairy Industry Supply Chain-A Case Study of Hohhot,China 被引量:10
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作者 qian gui-xia ZHANG Yi-pin +1 位作者 WU Jian-guo PAN Yue-hong 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2013年第12期2300-2309,共10页
Dairy industry has become an increasingly important enterprise in China as people's dietary preferences and composition have changed dramatically with rapid economic development in the past several decades.A number o... Dairy industry has become an increasingly important enterprise in China as people's dietary preferences and composition have changed dramatically with rapid economic development in the past several decades.A number of problems,however,exist in China's relatively young dairy industry,including the imbalanced allocation of profits throughout the dairy supply chain.One of the root causes of the melamine infant powered milk scandal in 2008 was the unfair profit allocation mechanism in dairy supply chain.The revenue sharing contract approach has proven to be effective in generating market shares and total profits.In this study,we apply the three-stage revenue sharing contract model of Giannoccaro and Pontrandolfo(2004) in an analysis of dairy supply chain to explore its problems in profit allocation and possible solutions to them.The analysis was conducted by a case study of Hohhot,often called as "milk capital of China".Our results show that the current profit distribution in the dairy supply chain is not balanced:the supermarket's profitfarmer's profitmanufacturer's profit.Under the revenue sharing contract setting,the dairy industry's total profit increased by 12.49%.By exploring different parameters in the revenue sharing contract model,we have found that a win-win situation can be created among all the members of the supply chain.In dairy supply chain,the ratio of the revenue reserved for the supermarket itself is equal or greater than 47% and the ratio of the revenue reserved for the manufacturer itself is between 46.4 and 50.2%.The values of the parameters that generate a sustainable or win-win situation are related to the bargaining position in the dairy supply chain.The revenue sharing contract has proven to be effective and desirable by all the dairy chain partners in dairy supply chain.The results of this study provide relevant information for improving the dairy supply chain structure and the revenue sharing contract model can be applied to other industries,sectors and regions. 展开更多
关键词 Hohhot dairy industry revenue sharing contract WIN-WIN
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