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contingent valuation method 2

Miyun Reservoir 1

automobile industry 1

blockchain 1

branch-bound algorithm 1

contingent sourcing 1

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food supply chain 1

questionnaire survey 1

risk management school of the environment 1

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Blockchain adoption or contingent sourcing?

Frontiers of Engineering Management Pages 107-120 doi: 10.1007/s42524-022-0232-2

Abstract: To survive under the pandemic, retailers have adopted different sourcing strategies, such as contingentsourcing, which, in turn, affect the upstream suppliers and hence the resilience of the whole supplymodel to investigate the interrelation between the retailer’s decisions on blockchain adoption and sourcingThe retailer may speculatively keep on ordering from the risky supplier or adopt contingent sourcingand then analyze the incentives for sourcing strategy and blockchain adoption.

Keywords： food supply chain blockchain contingent sourcing supply chain resilience

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Supplier selection and order splitting in multiple-sourcing inventory systems

WANG Guicong, JIANG Zhaoliang, LI Zhaoqian, LIU Wenping

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1, Pages 23-27 doi: 10.1007/s11465-008-0016-3

Abstract: Supplier selection and inventory control are critical decision processes in single-item multiple-supplier systems. An integer linear programming model is proposed to help managers determine the reorder level, choose the best suppliers, and place the optimum order quantities so that the total average inventory cost is minimum, and constraints of supplier ability, quality, and demand are considered. An algorithm combining the branch-bound algorithm and enumeration algorithm is developed to solve the problems. Application of the proposed model in an automobile industry shows that it is effective.

Keywords： automobile industry branch-bound algorithm selection single-item multiple-supplier effective

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Ecological compensation based on willingness to accept for conservation of drinking water sources

Linyu XU,Bing YU,Yang LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1, Pages 58-65 doi: 10.1007/s11783-014-0688-3

Abstract: Ecological compensation is a powerful environmental economic tool for environmental protection in areas where drinking water sources are located. We established an ecological compensation accounting system based on respondents’ willingness to accept (WTA). In this system, stakeholder preferences and the factors that influence them can be gauged effectively using logit and tobit models. We applied this accounting system to ecological compensation for the Miyun Reservoir, Beijing, China. The average WTA value for Miyun Reservoir residents was approximately 1186 CNY per family in 2012, which could be set as a suitable compensation standard, since it is slightly higher than the local protection cost. Thus, the annual total ecological compensation could be 58.73 million CNY. Distance from the reservoir, job types, and attitude to environmental protection were variables with significant effects on WTA. In addition, trends for individual preferences were identified via an analysis of key influential factors. The results suggest some useful information for establishing ecological compensation mechanisms for conservation of drinking water sources. Suggestions include popularizing the concept and meaning of ecological compensation among residents, setting different compensation levels based on distance from the reservoir, considering the requirements of farmers, and taking various in-kind and out-of-kind compensation approaches.

Keywords： contingent valuation method questionnaire survey Miyun Reservoir