Extensions
Several extensions can be made to the EOQ model, including backordering costs and multiple items. Additionally, the economic order interval can be determined from the EOQ and the economic production quantity model (which determines the optimal production quantity) can be determined in a similar fashion.
A version of the model, the Baumol-Tobin model, has also been used to determine the money demand function, where a person's holdings of money balances can be seen in a way parallel to a firm's holdings of inventory.
NOTE: In the example, Q means annual requirement quantity whereas earlier in the article Q meant order quantity. This is confusing.
Read more about this topic: Economic Order Quantity
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