A study of two special inventory management problems

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dc.contributor Zhang, Minjiao
dc.contributor Moen, Kabe
dc.contributor Sun, Min
dc.contributor.advisor Miller, David M.
dc.contributor.advisor Schmidt, Charles P.
dc.contributor.author Li, Linda
dc.date.accessioned 2017-03-02T19:54:55Z
dc.date.available 2017-03-02T19:54:55Z
dc.date.issued 2016
dc.identifier.other u0015_0000001_0002466
dc.identifier.other Li_alatus_0004D_12875
dc.identifier.uri https://ir.ua.edu/handle/123456789/2755
dc.description Electronic Thesis or Dissertation
dc.description.abstract In the dissertation, the author studies two special inventory problems via the technique of optimization. The first problem discusses inventory management in monopoly markets in which utilities are involved. To utility companies, the inventory (materials and supplies) can be treated as an asset and affect the selling price of the utility. The results of the research indicate a potential behavior of utilities operating on an “inefficient” level of inventory and develop an optimal policy for maximizing profits in this scenario. The second problem discusses a basic two-echelon inventory problem – joint replenish problem (JRP). In the JRP, the first echelon contains only one installation serving several other installations in the second echelon. It tries to minimize the total cost related to the inventory. The dissertation focuses on the JRP with constraints of a fixed transportation capacity and dissimilar items. It is studied by two different demand models: continuous time and discrete time. In the continuous time model, a Poisson process of customer demand is considered and a Markov decision model is built to solve the problem. An efficient algorithm developed facilitates heuristic methods to find acceptable solutions out of an exponential solution space. The work for discrete time model considers a more general case and the initial efforts rely on the delayed renew process.
dc.format.extent 87 p.
dc.format.medium electronic
dc.format.mimetype application/pdf
dc.language English
dc.language.iso en_US
dc.publisher University of Alabama Libraries
dc.relation.ispartof The University of Alabama Electronic Theses and Dissertations
dc.relation.ispartof The University of Alabama Libraries Digital Collections
dc.relation.hasversion born digital
dc.rights All rights reserved by the author unless otherwise indicated.
dc.subject.other Management
dc.subject.other Operations research
dc.title A study of two special inventory management problems
dc.type thesis
dc.type text
etdms.degree.department University of Alabama. Dept. of Information Systems, Statistics, and Management Science
etdms.degree.discipline Operations Management
etdms.degree.grantor The University of Alabama
etdms.degree.level doctoral
etdms.degree.name Ph.D.


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