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Analysis of Operations Management Problems in Currency and Food Supply Chains
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This dissertation is constituted of three essays addressing operational issues be- longing to two research domains including (i) Logistics and Supply Chain Management for Currency Supply Network and (ii) Facility Location and Capacity Optimization for Food Supply Chains. Minimum cost ow network model and mixed integer programming model (linear and nonlinear) are developed to analyze and optimize supply chains of banknotes, coins, and foods. Approaches developed are general and can easily be applied to other categories of supply chains under different settings around the world with appropriate modifications. The first domain comprises two essays with different scopes and objectives, in which two unique monetary supply chains with distinctive operations and governmental regulations are analyzed from both supply-side and demand-side perspectives. In the first essay, in order to improve the efficiency of the central bank's currency network in a large country, currency vaults are upgraded by expanding their capacities, and the sourcing of the updated currency network is optimized. This is the first study that analyzes a country's overall currency network's operations from the supply-side perspective. In the same domain, the second essay presents general models for analyzing the operational issues in the U.S. Coin Supply Chain. As the first study to view the U.S. Coin Supply Chain as a closed-loop/reverse supply chain, it investigates the supply chain from both supply-side and demand-side perspectives to increase efficiency and effectiveness in ordering, producing, packaging, distributing and managing inventory of coins. This essay provides efficient methods and guidelines for effectively managing the supply chain that can be implemented in practice. Belonging to the second domain, the third essay optimizes a food supply chain to assure food safety and provides suggestions to government agencies and private companies concerning where to locate new irradiation facilities with appropriate capacities strategically, how to source the demand of U.S. hubs from the supply of Mexican growing regions through irradiation facilities tactically, and how to efficiently transport fresh fruits imported from Mexico to the U.S. operationally.
SubjectCurrency and Food Supply Chains
Huang, Yiwei (2016). Analysis of Operations Management Problems in Currency and Food Supply Chains. Doctoral dissertation, Texas A & M University. Available electronically from