Disposal of excess stock at the end of a project when facing on-going operational usage

Article Abstract:

A study was conducted to analyze the disposal of excess stock at the end of a construction project during on-going operational usage. In line with this, important materials management decisions associated with project management were examined. A procedure was then developed to obtain optimal disposal policies. In addition, the need for managers to make critical decisions concerning the retention and disposal of surplus items was discussed.

Construction, Materials & Handling Management, Research, Management, Construction industry, Project management, Materials handling, Materials management

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Changing the givens in modelling inventory problems: the example of just-in-time systems

Article Abstract:

Just-in-time inventory stystems are used to demonstrate the concept that performance improvement is increased by changing one given input without any optimization measure as compared to optimization of the subject to a given set of conditions. The results show that changing a given is more effective even without any optimization efforts. Acquiring a non-optimal solution to a decision model is better.

Just in time inventory systems, Just in time systems

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Perturbed inventory systems with delays

Article Abstract:

The effect of simultaneous perturbations of finite magnitude on inventory costs is analyzed using a model. These perturbations are present in system matrices which describe the realization of nondelayed and delayed orders. The model illustrates the conservation effects in terms of time delays as distributed parameters.

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