Shorter product life cycles present new dressed in supply chain literature. This research challenges to managing production and logistics not adequately adaddresses issues pertaining to the management of supply chains...Shorter product life cycles present new dressed in supply chain literature. This research challenges to managing production and logistics not adequately adaddresses issues pertaining to the management of supply chains in a short life cycle environment. In this paper, we study the short life cycle environment; then we develop the ventory policy of the indirect manufacturer by explicitly using his demand us an output of the retailer's optimal inoptimal ordering policy. Finally, we also provide causes of the bullwhip effect in the context of short life cycle products.展开更多
Enterprises must be concerned about the environment when seeking economic benefit. However,because of the defect of the market economy,enterprises are difficult to carry out green supply chain management spontaneously...Enterprises must be concerned about the environment when seeking economic benefit. However,because of the defect of the market economy,enterprises are difficult to carry out green supply chain management spontaneously. In order to solve the above problem,the feasibility of the government as an external driving force to lead the implementation of green supply chain management was studied,and then a mixed guidance model of enterprise green supply chain management was established. In addition,the mechanisms of the government encouraging enterprises to implement green supply chain management were discussed,including negative punitive measures( fines and taxes) and positive incentive measures( subsidies and tax reduction) and the supplementary function of environmental credit system policy to realize government-led green supply chain management,which provides certain guiding for achieving the sustainable development of enterprises and society.展开更多
The profitability of a supply chain(SC)is proportional to the stability of all its stakeholders as well as their consistent information sharing with an effective and efficient communication mechanism.Various inefficie...The profitability of a supply chain(SC)is proportional to the stability of all its stakeholders as well as their consistent information sharing with an effective and efficient communication mechanism.Various inefficiencies,such as the bullwhip effect(BWE)and product unavailability,may be caused by a lack of coordination in an SC.The importance of sharing consumer demand has been quantified by comprehensive studies under the assumption that all SC participants will access the same information.However,only a few studies have studied the effect of minimal coordination or limited visibility of information while considering their effect on the overall efficiency of an SC.This work primarily leverages blockchain technology(BCT)to create a simulation model.To do this,an SC BWE-based model is initially developed.Following that,a blockchain-based robust information sharing system is simulated.Furthermore,information sharing is challenging,and SC stakeholders may not really trust each other and hence be reluctant to share sensitive information.Considering that,this paper propose an improved proof-ofauthority(PoA)consensus algorithm that will increase trust in a decentralized SC model.Multiple experiments are carried out to demonstrate the effectiveness of our approach,and the simulation results clearly demonstrate the effectiveness of information sharing in a supply chain via blockchain,as well as that trust between partners tends to increase overall SC efficiency and reduce BWE.展开更多
文摘Shorter product life cycles present new dressed in supply chain literature. This research challenges to managing production and logistics not adequately adaddresses issues pertaining to the management of supply chains in a short life cycle environment. In this paper, we study the short life cycle environment; then we develop the ventory policy of the indirect manufacturer by explicitly using his demand us an output of the retailer's optimal inoptimal ordering policy. Finally, we also provide causes of the bullwhip effect in the context of short life cycle products.
基金This paper was partly supported by Natural Science Foundation of China (No. 70321001), Nature Science Foundation of Henan Province Education Committee (No. 2006120004), the Ph.D. Science Research Foundation of Henan Agricultural University (No. 30700300), and the Post-doctor Research Foundation of China (No. 20060390280).
基金Supported by Basic Research Business Fee Plan Project of Chongqing City(2016-hky-jcyj-01706)Special Project for Performance Incentive Guidance of Research Institutes in Chongqing City(cstc2017jxjl20003)
文摘Enterprises must be concerned about the environment when seeking economic benefit. However,because of the defect of the market economy,enterprises are difficult to carry out green supply chain management spontaneously. In order to solve the above problem,the feasibility of the government as an external driving force to lead the implementation of green supply chain management was studied,and then a mixed guidance model of enterprise green supply chain management was established. In addition,the mechanisms of the government encouraging enterprises to implement green supply chain management were discussed,including negative punitive measures( fines and taxes) and positive incentive measures( subsidies and tax reduction) and the supplementary function of environmental credit system policy to realize government-led green supply chain management,which provides certain guiding for achieving the sustainable development of enterprises and society.
文摘The profitability of a supply chain(SC)is proportional to the stability of all its stakeholders as well as their consistent information sharing with an effective and efficient communication mechanism.Various inefficiencies,such as the bullwhip effect(BWE)and product unavailability,may be caused by a lack of coordination in an SC.The importance of sharing consumer demand has been quantified by comprehensive studies under the assumption that all SC participants will access the same information.However,only a few studies have studied the effect of minimal coordination or limited visibility of information while considering their effect on the overall efficiency of an SC.This work primarily leverages blockchain technology(BCT)to create a simulation model.To do this,an SC BWE-based model is initially developed.Following that,a blockchain-based robust information sharing system is simulated.Furthermore,information sharing is challenging,and SC stakeholders may not really trust each other and hence be reluctant to share sensitive information.Considering that,this paper propose an improved proof-ofauthority(PoA)consensus algorithm that will increase trust in a decentralized SC model.Multiple experiments are carried out to demonstrate the effectiveness of our approach,and the simulation results clearly demonstrate the effectiveness of information sharing in a supply chain via blockchain,as well as that trust between partners tends to increase overall SC efficiency and reduce BWE.