Computer Simulation of Lot-Sizing Algorithms in Three-Stage Multi-Echelon Inventory Systems

Article Abstract:

Lot-sizing rules in a multi-echelon coalescence MRP system are evaluated. FORTRAN IV Level G is used. Lot-sizing methods include Lot for Lot, Economic Order Quantity, Periodic Order Quantity, Least Total Cost, Least Unit Cost, Part-Period Balancing, the Silver-Meal Algorithm, and the Wagner-Whitin Algorithm. Also evaluated was a hybrid rule using both the Economic Order and the Economic Production Quantity rules. A computer model performed the simulation.

Management science, Modeling, Data modeling software, Inventory Control, Operations Research, Inventory, Inventory Model, Inventory Management

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A comment on Gerchak and Gupta's "On apportioning costs to customers in centralized continuous review inventory systems."

Article Abstract:

Using game theory and the Shapely Value, the basis for allocation of costs to customers for inventory control systems, as explored by Gerchak and Gupta, is extended. The benefits from consolidating inventories are not always distributed under the previous approach. The alternative presented seeks to identify a region of 'fair' cost allocations so that none of the participants is in a worse position after joint inventory consolidation.

Noncommercial research organizations, Economic aspects, Cost accounting

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The Herrman brain dominance inventory and development goals

Article Abstract:

The Herrman Brain Dominance Inventory provides individuals with a powerful means of identifying their preferred way of thinking. It is used to enhance the personal development process in a practical way. The self-assessment method, created by Ned Herrmann, divides the brain into four areas: upper left, upper right, lower left and lower right. Brain dominance is found to occur in more than one quadrant in most individuals.

Analysis, Thought and thinking, Thinking, Herrmann, Ned

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