Thesis. 1976. M.S.--Massachusetts Institute of Technology. Alfred P. Sloan School of Management. / Microfiche copy available in Archives and Dewey. / Bibliography: leaves 123-129. / M.S.

Yu, Yikun. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (p. 117-120). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Literature Review --- p.6 / Chapter 3 --- System with Controllable Returns --- p.13 / Chapter 3.1 --- Problem Description --- p.13 / Chapter 3.2 --- The Model with Controllable Returns --- p.17 / Chapter 3.3 --- Numerical Experiments --- p.25 / Chapter 3.4 --- Summary --- p.34 / Chapter 4 --- System with Controllable Returns and Price Dependent Demand --- p.36 / Chapter 4.1 --- System without Disposals --- p.37 / Chapter 4.2 --- The System with Disposals --- p.40 / Chapter 4.3 --- Numerical Experiments --- p.47 / Chapter 4.4 --- Summary --- p.54 / Chapter 5 --- Conclusion --- p.56 / Chapter 6 --- Appendix --- p.58

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Thesis (M. Phil.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.

Abstract This thesis focuses on how applying the Vendor Managed Inventory (VMI) to the enterprise affects the operation cost from the manufacturing perspective. The inventory level of an industry has a crucial impact because it influences the profits, the capital transferring, the inventory space, the quality of products, the administrations, etc. Moreover, the inventory level and the procurement management are so highly related to the overall manufacturing cost that the profitability and competiveness of an industry can be influenced as well. Thus, the relationship between the enterprises and their suppliers has evolved from the traditional price-driven transaction mode to the cooperative relationship. Through the VMI, the suppliers are able to not only be shared with the inventory information from their customers, but have the right to manage customers¡¦ inventories; hence, the customer side can avoid the overcapacity or the shortage as a result of the surplus or insufficient inventories respectively. As a result, the inventory level can be reduced and the high quality service can be provided. The study of our research is based on the factors related to the profitability and efficiency in the enterprise achievement appraisal. I find that the inventory level directly influences the profitability-related factors, and the inventory is also involved with many aspects in the supply chain management, such as the supplier management, the relationship with the suppliers, the procurement strategies, etc. Furthermore, it is feasible to lower the inventory level through the process of the VMI according to the results of our questionnaires. We also held several comprehensive interviews with the industries which apply VMI for years. The useful opinions and suggestions collected from these industries are generalized to a proposal which can be used and referred for the individual enterprise. We hope the results of this thesis have the positive effects for the industry. Key words¡G Inventory control ¡APurchasing management¡AProfiable¡ACompetiable, VMI

Thesis (M.S. in Operations Research)--Naval Postgraduate School, September 1990. / Thesis Advisor(s): McMasters, Alan W. ; Henderson, David R. "September 1990." Description based on title screen as viewed on December 21, 2009. DTIC Descriptor(s): Naval Procurement, Mathematical Models, Parameters, Navy, Theses, Costs, Precision, Procurement, Inventory, Value, Supplies, Naval Logistics, Models, Contracts, Decision Making. DTIC Identifier(s): Navy Inventory Control Points, Navy Procurement Contract Termination Model, Forecasts. Author(s) subject terms: Procurement, Contract, Termination. Includes bibliographical references (p. 57-58). Also available in print.

Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2002. / Includes bibliographical references (leaves 79-85). Also available in electronic version. Access restricted to campus users.

Includes bibliographical references (p. 79-84).

No description available.

In this thesis, we study the statistical issues in lost sales inventory systems, focusing on the complexity arising from the stochastic demand. We model the demand by the Zero Inflated Poisson (ZIP) distribution. The maximum likelihood estimator of the ZIP parameters taking censoring into account are derived separately for the newsvendor and the (s, S) inventory systems. We also investigate the effect of the estimation errors on the optimal policies and their costs. We observe from a simulation study that the MLE taking censoring into account performed the best in terms of cost as well as policy among various estimates. We then proceed to develop a Bayesian dynamic updating scheme of the ZIP parameters. It is applied to the newsvendor system. We perform a simulation study to investigate the advantage of the Bayesian updating approach over the traditional MLE approach. We conclude that the Bayesian pproach offers a better learning technique when one lacks of good understanding of the demand pattern in the first few periods. Since inventory policy affects the information acquisition and-the demand distribution updating process, how to determine the optimal inventory policy when the demand distribution is yet to be learned is the focus of the latter part of the thesis. We investigate the effect of demand censoring on the optimal policy in newsvendor inventory models with general parametric demand distribution and unknown parameter values. We provide theoretical proof of the conjecture that it is better off to adopt a higher than the myopic optimal policy in the initial periods when demand is learned in a censoring system. We show that the newsvendor problem with observable lost sales reduces to a sequence of single-period problems while the newsvendor problem with unobservable lost sales requires a dynamic analysis. We explore the economic rationality for this observation and illustrate it with numerical examples.