Managing Economies of Scale in a Supply Chain

4 important questions on Managing Economies of Scale in a Supply Chain

Name the 4 components of which Ordering Cost exists

  1. Buyer time, incremental time of the buyer placing the extra order. Only included if the buyer is utilized fully.
  2. Transportation Cost, most of the time fixed regardless size of order.
  3. Receiving costs, regardless size of the order receiving costs, like administration work, quantity dependent receiving costs not included here.
  4. Other costs, costs unique to each situation, only if they are regardless quantity order

Why is it often convenient for a company to order a lot size close to the EOQ rather than the precise EOQ?

Total ordering and holding costs are relatively stable around the economic order quantity, choosing a more convenient lot size to fill a truck for example is then possible.

With how much does the optimal lot size increase, when the demand increases with a factor k?

The square root of k, the same as the number of total orders placed will increase and the flow time attributed to cycle inventory will decrease
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Why would you aggregate replenishment across products, retailers or suppliers in a single order?

It allows for a reduction in lot size for individual products because fixed ordering and transportation costs are now spread across them

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