Archive | Inventory Management Basics

Purchase order

Principles of Good Inventory Management

It is easy to reduce investment in inventory if you don’t mind a deterioration in customer service. Likewise, it is easy to provide good customer service if you don’t mind having a large investment in inventory. Good inventory management is concerned with having a low investment in inventory in relation to the customer service provided […]

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Inventory management simulation

An Educational Inventory Management Simulator

I have developed an inventory simulation spreadsheet for educational purposes. It provides two facilities which are not provided by the online simulator which is accessed by means of the “Simulator” tab. The additional facilities are graphs and use of your own demand history. The online facility is more versatile than the spreadsheet. Also, it carries […]

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Dice suggesting Monte Carlo simulation

Monte Carlo Simulator – Part 2

This article contains detailed information concerning the online Monte Carlo inventory management simulator which can be accessed by clicking on the “Simulator” tab in the menu at the top of the page. In parts of this article, it will be assumed that the reader has some knowledge of statistics. If you don’t have a statistical […]

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Open source ABC analysis software

ABC Analysis

Pareto Principle The Pareto Principle is named after an Italian economist Vilfredo Pareto who noticed that 80% of the peas which he grew in his garden came from about 20% of the pods. He also found that, in most countries, about 20% of the population owns 80% of the land. Those observations led to what […]

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Don Johnston

Active Inventory

Active inventory is inventory which will probably be sold or used in the reasonably near future. How far into the future depends on how soon you are hoping to see the expected improvements. The reason for finding out how much active inventory there is is that only active stock can be reduced, in the near […]

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Don Johnston

Days Cover

Converting a quantity (e.g. stock on hand) to the number of days cover it provides is not quite as simple as dividing the quantity by the average demand per day. Consider an item which moves, on average, once per year and which is out of stock. The fact that item is out of stock does […]

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