An application of sizing service territories

Article Abstract:

The variable cost of delivery and the fixed cost of facilities were incorporated into a model for the design of a service network such as that of US Postal Service. The model was based on the assumption that delivery units were of the same size with the same number of carriers, may be enlarged or eliminated swiftly, and occupy the center of equal-sized and shaped service territories. Reduction of some of these assumptions did not alter substantially the results established by the model.

U.S. Postal Service, Models, Software, Postal service, United States. Postal Service

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Global and variable cost manufacturing systems

Article Abstract:

Several manufacturing and distribution policies were examined with respect to the impact of exchange rate and cost uncertainties on the materials sourcing, transportation and production in a global manufacturing network. The results showed that the use of order statistics minimizes total cost functions and that equal sized plants minimize costs optimally. In addition, it was found that excess capacity allows plants to shift production and reduce costs.

Operations research, Management science, Manufacturing industry, Manufacturing industries, Case studies, Economic aspects, Production (Economics)

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When to refinance a mortgage: a dynamic programming approach

Article Abstract:

Dynamic programming method to examine the decisions to refinance a mortgage is presented.

United States, Marketing procedures, Singapore, Marketing, Company marketing practices, Mortgages, Refinancing

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