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KNOWLEDGE LIBRARY

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27Jun

Warehouse Occupancy Percentage

Optimal storage utilization helps enforce healthy inventory management. In our early work with Honda their...

02Jun

Efficient Procurement Inventory

Efficient procurement inventory (EPI) is often required to realize steep discounts when a special opportunity...

02Jun

Inventory Carrying Rate

The inventory carrying rate (ICR) is the percent of the unit inventory value used to...

26Jun

Inventory Activity Profiling & Data Mining

Suppose you were sick and went to the doctor for a diagnosis and prescription.  When...

27Jun

Inventory Performance Measures

Inventory performance measures include financial, productivity , quality, and response time indicators for evaluating the efficiency and...

Average Inventory Value (AIV)

The average inventory value is computed as the average over time of the sum of the inventory values for individual items.  The average inventory value (AIV) of an item at any particular time is the product of its average inventory level ( AIL ) and its unit inventory value ( UIV ).  To gain a representative picture of the true average inventory value it is important to take snapshots of inventory values at random times throughout the course of a year to take into account seasonalities in inventory values.

To improve cash flow, some companies are particularly concerned about their average inventory investment.  The projected average inventory investment as a function of alternative customer service levels is illustrated in the figure.  The illustration is derived from our Inventory Optimization System™ .  Tools like this can be used to assess the inventory investment required to protect a specified fill rate or to established a target fill rate associated with maximum acceptable inventory investment levels.

The average inventory value (AIV) for an item, i, should be estimated as the product of the average inventory level (AIL) in units and the unit inventory value (UIV).  The unit inventory value is the investment in or cost of creating each unit of inventory at its current status ( raw material , work in process, or finished goods).  The unit inventory value is typically the selling price less the margin.

AIVi = AILi * UIVi

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